Semana 8

3x=8


X log 3 = log 8

X=8/(3 )

X=(.9030)/(.9771)=1.8863



52x-1=2

2x-1 log 5 = log 2

X=2/(5 )

X=(.3010)/(.6989)=.4306

2x=.4306+1

2x=1.4306/ 2

X=.7153







5x=.17

X log 5 = log .17

X=(.17)/5

X=(-.7695)/(..6989)=-1.1010











.18x=3.16

X log .18 = log 3.16

X=3.16/(.18)

X=(..4996)/(-.4774)=-.3720





2.52x=4

2x log 2.5 = log 4

2x=4/(2.5 )

2x=(.6020)/(.3979)=1.5129

X=1.5129/2=.7564





9x=8

X log 9 = log 8

X=8/(9 )

X=(.9030)/(.9542)=.9463





1.55x=5.5

5x log 1.5 = log 5.5

X=5.5/1.5

X=(.7403)/(.1760)=4.2062

X=4.2062/5=.8412

33x=9

3x log 3 = log 9

3x=9/(3 )

X=(.9542)/(.9771)=2

X=2/3=.6666







32x+5=5

2x+5 log 3 = log 5

X=5/3

X=(.6989)/(.4771)=1.4648

2x=.4306+5

2x=-3.5352/ 2

X=-1.7676







2.52x-2=10

2x-2 log 2.5 = log 10

2x-2=10/2.5

2x-2=1/(.3979)=2.5131

2x=4.5131+2

2x=4.5131/ 2



X=2.2565









95x-3=6

5x-3 log 9 = log 6

5x-3=6/59

5x-3=(.7781)/(.9542)=.8162

5x=.8162+3

2x=3.8161/5

X=.7632







3 x=20

x log 3 = log 20

X=20/(3 )

X=(.1.3010)/(.4771)=2.7268

x=2.7268









25x=.97

5x log 2 = log .97

5x=(.97)/(2 )

5x=(-.0132)/(.3010)=.-22.8030

x=22.8030/ 5

X=4.5606









3.57x-1=.87

7x-1 log 3.5 = log .87

7x-1=(.87)/3.5

7x-1=(.0604)/(.5440)=.1110

7x=.1110+1

7x=1.1110/ 7

X=.1269







.972x=.56

2x log .97 = log .56

X=(.56)/(.97)

X=(-.2518)/(-.3010)=19.0757

2x=19.0757/2

X=9.5378







23x=.89

3x log 2 = log .89

3x=(.89)/(2 )

3x=(-.0861)/(.3010)=.-2.6780

x=2.6780/ 3

X=-.8926







27x+1=7

7x+1 log 2 = log 7

7x+1=7/2

7x+1=(-.1549)/(.3010)=-.5146

7x=.5146-1

x=1.5146/ 7

x=.2581









.22x=.5

2x log .2 = log .5

2x=(.5)/(.2)

X=(-.3010)/(-.6989)=.4306

2x=.4306/2

X=.2153







3.5x=3.6

x log 3.5 = log 3.6

X=3.6/3.5

X=(.5563)/(.5440)=1.0226

X=1.0226







32x=10.5

2x log 3 = log 10.5

2x=10.5/(3 )

2x=(1
.0211)/(.4771)=2.1402

X=2.1402/2

X=1.0701





97x-10=1

7x-10 log 9 = log 1

7x-10=1/(9 )

7x-10=0/(.9542)=0

7x=0+10

x=10/ 7

X=1.4285







4.6x=35

x log 4.6 = log 35

X=35/4.6

X=(.1.5440)/(.6627)=2.3298

X=2.3298





53x=.58

3x log 5 = log .58

3x=(.58)/5

3x=(.2365)/(.6989)=.3383

x=.3383/ 3

X=.1127



2.35x-1=.9

5x-1 log 2.3 = log .9

5x-1=(.9)/2.3

5x-1=(-.0457)/(.3617)=-.1263

5x=-.1263+1

x=-1.1263/5

X=-.2252









2x=27

x log 2 = log 27

X=2/27

X=(.1.4313)/(.3010)=4.7551

X=.7551







7x+6=5

X+6 log 7 = log 5

X+6=5/7

X+6=(.6989)/(.8450)=.8271

x=6.8271





82x-7=3

2x-7 log 8 = log 3

2x-7=3/8

2x-7=(.4771)/(.9030)=.5283

2x=.5283+7

x=7.5283/ 2

X=3.7641







43x-5=2

3x-5 log 4 = log 2

3x-5=2/(4 )

3x-5=(.3010)/(.6020)=.5

3x=.5+5

x=5.5/ 3

X=1.8333











32/1x-2=.75

½ x-2 log 3 = log .75

½ x-2=(.75)/3

½ x-2=(-.1249)/(.4771)=-.2617

½ x=.1.7383

x=1.7383/ .5

X=3.4766





.253/2x =.5

3/2x log .25 = log .5

3/2x =(.5)/(.25)

3/2x =(-.3010)/(-.6020)=2

3/2x=2

x=2/ 3/2

X=1 1/3





3.61.7x =.8

1.7x log 3.6 = log .8

1.7x=(.8)/3.6

1.7x =(-.0969)/(.5563)=-.1721

X=-.1721/1.7

x=-.1012



1.53x=2.5

3x log 1.5 = log 2.5

3x =2.5/2.5

3x =(.3979)/(.1760)=2.2607

x=2.2607/3

X=.7535



2.35/2x =5

5/2 x log 2.3= log 5

5/2x =5/2.3

5/2x =(.6989)/(.3617)=1.9322

x=1.9322/5/2

X=.7728





27/3x =4/5

7/3x log 2 = log 4/5

7/3x =(4/5)/2

7/3x =(-.0969)/(..3010)=-.3219

x=-.3219/7/3

X=-.1379





.8x =2.2

X log .8 = log 2.2

x =2.2/(.8)

x =(.3424)/(-.0969)=-3.5335

x=-3.5335





.17x =.7

x log .17 = log .7

x =(.7)/(.17)

x=(-.1549)/(-.7695)=.2012

x=.2012





3/2 x =3/2

x log 3/2 = log 3/2

x=(3/2)/(3/2)

x =(.1760)/(.1760)=1

x=1











.56x =.97

x log .56 = log .97

x=(.97)/(.56)

x =(-.0132)/(-.2518)=.0524

X=.0524



.8x=2.3

x log .8 = log 2.3

x =2.3/(.8)

x =(.3617)/(.0969)=3.7327

X=3.7327





43x+7-2 =36

3x+7-2 log 4 = log 36

3x+7-2 =36/4

3x+7-2 =1.5563/(.6020)=2.5852

X+7=2.5852-7=4.4147

X=-4.4147











32/3x =4

2/3 log 3 = log 4

2/3 =4/3

2/3 =(.6020)/(.4771)=1.2617

x=1.2617/2/3

X=1.8925



27x-3-2x+6=10

7x-3-2x+6 log 2 = log 10

7x-3-2x+6 =10/2

7x-3-2x+6 =1/(.3010)=3.3222

5x-3=3.3222-6=-2.6778

5x=-2.6778+3=.344

X=.3222/5=.0644

 
 
5.72/3x-7=.67


2/3x-7 log 5.7 = log .67

2/3x-7 =(.67)/5.7

2/3x-7=(-.1739)/(.7558)=-.2300

2/3x=-.2300+7=6.77

X=6.77/2/3=10.155





2.3.5x-2=.7

.5x-2 log 2.3 = log .7

.5x-2 =(.7)/2.3

.5x-2 =(-.1549)/(.3617)=-.4282

.5x=-.4282+2=1.5718

X=1.5718/.5=3.1436





3.72x-3+7x-1=2

2x-3+7x-1 log 3.7 = log 2

2x-3+7x-1 =2/3.7

2x-3+7x-1 =(.3010)/(.5682)=.5297

9x=.5297+4=4.5797

X=4.5297/9=.5033





2.51/2x=.9

1/2x log 2.5 = log .9

1/2x =(.9)/2.5

1/2x =(-.0457)/(..3979)=-.1148

X=-.1148/1/2 =-.2296







3.27x-3=2

7x-3 log 3.2 = log 10

7x-3 =10/3.2

7x-3 =(.3010)/(.5051)=.5959

7x=.5959+3=3.5959

X=3.5959/7=.5137





43x-7=2.4

3x-7 log 4 = log 2.4

3x-7 =2.4/4

3x-7=(.3802)/(.6021)=.6315

3x=7.6315

X=7.6315/3=2.5438







1.56x-3=4.7

6x-3 log 1.5 = log 4.7

6x-3 =4.7/1.5

6x-3=(.6721)/(.1761)=3.8166

6x=3.8166+3=6.8166

X=6.8166/6=1.1361

X=1.1361