7x+30=2x-10

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Solution for 7x+30=2x-10 equation: 



7x+30=2x-10

We move all terms to the left:

7x+30-(2x-10)=0

We get rid of parentheses

7x-2x+10+30=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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