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284=-8(5x-4)+4x
We move all terms to the left:
284-(-8(5x-4)+4x)=0
We calculate terms in parentheses: -(-8(5x-4)+4x), so:We get rid of parentheses
-8(5x-4)+4x
We add all the numbers together, and all the variables
4x-8(5x-4)
We multiply parentheses
4x-40x+32
We add all the numbers together, and all the variables
-36x+32
Back to the equation:
-(-36x+32)
36x-32+284=0
We add all the numbers together, and all the variables
36x+252=0
We move all terms containing x to the left, all other terms to the right
36x=-252
x=-252/36
x=-7
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