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4x+8(x-1)=-3x
We move all terms to the left:
4x+8(x-1)-(-3x)=0
We multiply parentheses
4x+8x-(-3x)-8=0
We get rid of parentheses
4x+8x+3x-8=0
We add all the numbers together, and all the variables
15x-8=0
We move all terms containing x to the left, all other terms to the right
15x=8
x=8/15
x=8/15
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