3x+10=-2x-30

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Solution for 3x+10=-2x-30 equation: 



3x+10=-2x-30

We move all terms to the left:

3x+10-(-2x-30)=0

We get rid of parentheses

3x+2x+30+10=0

We add all the numbers together, and all the variables

5x+40=0

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

5x=-40

x=-40/5

x=-8

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