-30-7x=2x-20

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Solution for -30-7x=2x-20 equation: 



-30-7x=2x-20

We move all terms to the left:

-30-7x-(2x-20)=0

We get rid of parentheses

-7x-2x+20-30=0

We add all the numbers together, and all the variables

-9x-10=0

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

-9x=10

x=10/-9

x=-1+1/9

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