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4(6-x)=9(x+9)
We move all terms to the left:
4(6-x)-(9(x+9))=0
We add all the numbers together, and all the variables
4(-1x+6)-(9(x+9))=0
We multiply parentheses
-4x-(9(x+9))+24=0
We calculate terms in parentheses: -(9(x+9)), so:We get rid of parentheses
9(x+9)
We multiply parentheses
9x+81
Back to the equation:
-(9x+81)
-4x-9x-81+24=0
We add all the numbers together, and all the variables
-13x-57=0
We move all terms containing x to the left, all other terms to the right
-13x=57
x=57/-13
x=-4+5/13
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