-30=50+2.5x

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Solution for -30=50+2.5x equation: 



-30=50+2.5x

We move all terms to the left:

-30-(50+2.5x)=0

We add all the numbers together, and all the variables

-(2.5x+50)-30=0

We get rid of parentheses

-2.5x-50-30=0

We add all the numbers together, and all the variables

-2.5x-80=0

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

-2.5x=80

x=80/-2.5

x=-32

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