3(x+-9)=-15

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



3(x+-9)=-15

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

3(x-9)+15=0

We multiply parentheses

3x-27+15=0

We add all the numbers together, and all the variables

3x-12=0

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

3x=12

x=12/3

x=4

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