-20=-7x-650

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Solution for -20=-7x-650 equation: 



-20=-7x-650

We move all terms to the left:

-20-(-7x-650)=0

We get rid of parentheses

7x+650-20=0

We add all the numbers together, and all the variables

7x+630=0

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

7x=-630

x=-630/7

x=-90

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