1-2(2-y)=7

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Solution for 1-2(2-y)=7 equation: 



1-2(2-y)=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-2(-1y+2)-6=0

We multiply parentheses

2y-4-6=0

We add all the numbers together, and all the variables

2y-10=0

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

2y=10

y=10/2

y=5

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