3x+15=-2x-30

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Solution for 3x+15=-2x-30 equation: 



3x+15=-2x-30

We move all terms to the left:

3x+15-(-2x-30)=0

We get rid of parentheses

3x+2x+30+15=0

We add all the numbers together, and all the variables

5x+45=0

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

5x=-45

x=-45/5

x=-9

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