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8(3x+2)-21=x+6(2x+3)
We move all terms to the left:
8(3x+2)-21-(x+6(2x+3))=0
We multiply parentheses
24x-(x+6(2x+3))+16-21=0
We calculate terms in parentheses: -(x+6(2x+3)), so:We add all the numbers together, and all the variables
x+6(2x+3)
We multiply parentheses
x+12x+18
We add all the numbers together, and all the variables
13x+18
Back to the equation:
-(13x+18)
24x-(13x+18)-5=0
We get rid of parentheses
24x-13x-18-5=0
We add all the numbers together, and all the variables
11x-23=0
We move all terms containing x to the left, all other terms to the right
11x=23
x=23/11
x=2+1/11
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