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7x+12(x-9)+4(3x+6)=5(3x-2)+8(-3)
We move all terms to the left:
7x+12(x-9)+4(3x+6)-(5(3x-2)+8(-3))=0
We multiply parentheses
7x+12x+12x-(5(3x-2)+8(-3))-108+24=0
We calculate terms in parentheses: -(5(3x-2)+8(-3)), so:We add all the numbers together, and all the variables
5(3x-2)+8(-3)
We add all the numbers together, and all the variables
5(3x-2)-24
We multiply parentheses
15x-10-24
We add all the numbers together, and all the variables
15x-34
Back to the equation:
-(15x-34)
31x-(15x-34)-84=0
We get rid of parentheses
31x-15x+34-84=0
We add all the numbers together, and all the variables
16x-50=0
We move all terms containing x to the left, all other terms to the right
16x=50
x=50/16
x=3+1/8
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