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(2^x)-1=3x/8
We move all terms to the left:
(2^x)-1-(3x/8)=0
We add all the numbers together, and all the variables
2^x-(+3x/8)-1=0
We get rid of parentheses
2^x-3x/8-1=0
We multiply all the terms by the denominator
2^x*8-3x-1*8=0
We add all the numbers together, and all the variables
-3x+2^x*8-8=0
Wy multiply elements
-3x+16x-8=0
We add all the numbers together, and all the variables
13x-8=0
We move all terms containing x to the left, all other terms to the right
13x=8
x=8/13
x=8/13
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