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4x-7=2(1x+3)
We move all terms to the left:
4x-7-(2(1x+3))=0
We add all the numbers together, and all the variables
4x-(2(x+3))-7=0
We calculate terms in parentheses: -(2(x+3)), so:We get rid of parentheses
2(x+3)
We multiply parentheses
2x+6
Back to the equation:
-(2x+6)
4x-2x-6-7=0
We add all the numbers together, and all the variables
2x-13=0
We move all terms containing x to the left, all other terms to the right
2x=13
x=13/2
x=6+1/2
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