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8x+40=-3-4
We move all terms to the left:
8x+40-(-3-4)=0
We add all the numbers together, and all the variables
8x+40-(-7)=0
We add all the numbers together, and all the variables
8x+47=0
We move all terms containing x to the left, all other terms to the right
8x=-47
x=-47/8
x=-5+7/8
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