5x+15+4x=6x-3(x+9)

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Solution for 5x+15+4x=6x-3(x+9) equation:



5x+15+4x=6x-3(x+9)
We move all terms to the left:
5x+15+4x-(6x-3(x+9))=0
We add all the numbers together, and all the variables
9x-(6x-3(x+9))+15=0
We calculate terms in parentheses: -(6x-3(x+9)), so:
6x-3(x+9)
We multiply parentheses
6x-3x-27
We add all the numbers together, and all the variables
3x-27
Back to the equation:
-(3x-27)
We get rid of parentheses
9x-3x+27+15=0
We add all the numbers together, and all the variables
6x+42=0
We move all terms containing x to the left, all other terms to the right
6x=-42
x=-42/6
x=-7

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