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8(x-1)-7=2(x+2)+5
We move all terms to the left:
8(x-1)-7-(2(x+2)+5)=0
We multiply parentheses
8x-(2(x+2)+5)-8-7=0
We calculate terms in parentheses: -(2(x+2)+5), so:We add all the numbers together, and all the variables
2(x+2)+5
We multiply parentheses
2x+4+5
We add all the numbers together, and all the variables
2x+9
Back to the equation:
-(2x+9)
8x-(2x+9)-15=0
We get rid of parentheses
8x-2x-9-15=0
We add all the numbers together, and all the variables
6x-24=0
We move all terms containing x to the left, all other terms to the right
6x=24
x=24/6
x=4
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