3x+2(15-5x)=9

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Solution for 3x+2(15-5x)=9 equation: 



3x+2(15-5x)=9

We move all terms to the left:

3x+2(15-5x)-(9)=0

We add all the numbers together, and all the variables

3x+2(-5x+15)-9=0

We multiply parentheses

3x-10x+30-9=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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