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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