2^2x+8=3^x-7

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Solution for 2^2x+8=3^x-7 equation: 



2^2x+8=3^x-7

We move all terms to the left:

2^2x+8-(3^x-7)=0

We get rid of parentheses

2^2x-3^x+7+8=0

We add all the numbers together, and all the variables

2^2x-3^x+15=0

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

2^2x-3^x=-15

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