-20=2y+2(y+8)

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Solution for -20=2y+2(y+8) equation:



-20=2y+2(y+8)
We move all terms to the left:
-20-(2y+2(y+8))=0
We calculate terms in parentheses: -(2y+2(y+8)), so:
2y+2(y+8)
We multiply parentheses
2y+2y+16
We add all the numbers together, and all the variables
4y+16
Back to the equation:
-(4y+16)
We get rid of parentheses
-4y-16-20=0
We add all the numbers together, and all the variables
-4y-36=0
We move all terms containing y to the left, all other terms to the right
-4y=36
y=36/-4
y=-9

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