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4(x+3)+3=2(x+15)
We move all terms to the left:
4(x+3)+3-(2(x+15))=0
We multiply parentheses
4x-(2(x+15))+12+3=0
We calculate terms in parentheses: -(2(x+15)), so:We add all the numbers together, and all the variables
2(x+15)
We multiply parentheses
2x+30
Back to the equation:
-(2x+30)
4x-(2x+30)+15=0
We get rid of parentheses
4x-2x-30+15=0
We add all the numbers together, and all the variables
2x-15=0
We move all terms containing x to the left, all other terms to the right
2x=15
x=15/2
x=7+1/2
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