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8(x-2)+7=31
We move all terms to the left:
8(x-2)+7-(31)=0
We add all the numbers together, and all the variables
8(x-2)-24=0
We multiply parentheses
8x-16-24=0
We add all the numbers together, and all the variables
8x-40=0
We move all terms containing x to the left, all other terms to the right
8x=40
x=40/8
x=5
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