3^x-2=1/7

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Solution for 3^x-2=1/7 equation: 



3^x-2=1/7

We move all terms to the left:

3^x-2-(1/7)=0

We add all the numbers together, and all the variables

3^x-2-(+1/7)=0

We get rid of parentheses

3^x-2-1/7=0

We multiply all the terms by the denominator


3^x*7-1-2*7=0

We add all the numbers together, and all the variables

3^x*7-15=0

Wy multiply elements

21x-15=0

We move all terms containing x to the left, all other terms to the right

21x=15

x=15/21

x=5/7

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