-20=2(y-4)-8y

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Solution for -20=2(y-4)-8y equation:



-20=2(y-4)-8y
We move all terms to the left:
-20-(2(y-4)-8y)=0
We calculate terms in parentheses: -(2(y-4)-8y), so:
2(y-4)-8y
We add all the numbers together, and all the variables
-8y+2(y-4)
We multiply parentheses
-8y+2y-8
We add all the numbers together, and all the variables
-6y-8
Back to the equation:
-(-6y-8)
We get rid of parentheses
6y+8-20=0
We add all the numbers together, and all the variables
6y-12=0
We move all terms containing y to the left, all other terms to the right
6y=12
y=12/6
y=2

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