-20+7x=30+9x

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Solution for -20+7x=30+9x equation: 



-20+7x=30+9x

We move all terms to the left:

-20+7x-(30+9x)=0

We add all the numbers together, and all the variables

7x-(9x+30)-20=0

We get rid of parentheses

7x-9x-30-20=0

We add all the numbers together, and all the variables

-2x-50=0

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

-2x=50

x=50/-2

x=-25

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