3x+15=-13-2x-2x

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Solution for 3x+15=-13-2x-2x equation: 



3x+15=-13-2x-2x

We move all terms to the left:

3x+15-(-13-2x-2x)=0

We add all the numbers together, and all the variables

3x-(-4x-13)+15=0

We get rid of parentheses

3x+4x+13+15=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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