5x+30=-2x

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Solution for 5x+30=-2x equation: 



5x+30=-2x

We move all terms to the left:

5x+30-(-2x)=0

We get rid of parentheses

5x+2x+30=0

We add all the numbers together, and all the variables

7x+30=0

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

7x=-30

x=-30/7

x=-4+2/7

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