7x+15=3(x-9)+2x

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Solution for 7x+15=3(x-9)+2x equation: 



7x+15=3(x-9)+2x

We move all terms to the left:

7x+15-(3(x-9)+2x)=0



We calculate terms in parentheses: -(3(x-9)+2x), so:

3(x-9)+2x

We add all the numbers together, and all the variables

2x+3(x-9)

We multiply parentheses

2x+3x-27

We add all the numbers together, and all the variables

5x-27

Back to the equation:

-(5x-27)



We get rid of parentheses

7x-5x+27+15=0

We add all the numbers together, and all the variables

2x+42=0

We move all terms containing x to the left, all other terms to the right

2x=-42

x=-42/2

x=-21

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