2^7=2^2y+1

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Solution for 2^7=2^2y+1 equation: 



2^7=2^2y+1

We move all terms to the left:

2^7-(2^2y+1)=0

We add all the numbers together, and all the variables

-(2^2y+1)+128=0

We get rid of parentheses

-2^2y-1+128=0

We add all the numbers together, and all the variables

-2^2y+127=0

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

-2^2y=-127

y=-127/1

y=-127

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