12+20=-4(7x-8)

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Solution for 12+20=-4(7x-8) equation:



12+20=-4(7x-8)
We move all terms to the left:
12+20-(-4(7x-8))=0
We add all the numbers together, and all the variables
-(-4(7x-8))+32=0
We calculate terms in parentheses: -(-4(7x-8)), so:
-4(7x-8)
We multiply parentheses
-28x+32
Back to the equation:
-(-28x+32)
We get rid of parentheses
28x-32+32=0
We add all the numbers together, and all the variables
28x=0
x=0/28
x=0

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