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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

5x-(2(x+15))+9=0



We calculate terms in parentheses: -(2(x+15)), so:

2(x+15)

We multiply parentheses

2x+30

Back to the equation:

-(2x+30)



We get rid of parentheses

5x-2x-30+9=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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