3(x+1)+9x=6x-15

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Solution for 3(x+1)+9x=6x-15 equation: 



3(x+1)+9x=6x-15

We move all terms to the left:

3(x+1)+9x-(6x-15)=0

We add all the numbers together, and all the variables

9x+3(x+1)-(6x-15)=0

We multiply parentheses

9x+3x-(6x-15)+3=0

We get rid of parentheses

9x+3x-6x+15+3=0

We add all the numbers together, and all the variables

6x+18=0

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

6x=-18

x=-18/6

x=-3

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