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2+4(x+2)=-40
We move all terms to the left:
2+4(x+2)-(-40)=0
We add all the numbers together, and all the variables
4(x+2)+42=0
We multiply parentheses
4x+8+42=0
We add all the numbers together, and all the variables
4x+50=0
We move all terms containing x to the left, all other terms to the right
4x=-50
x=-50/4
x=-12+1/2
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