40=-12.5+2.5x

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Solution for 40=-12.5+2.5x equation: 



40=-12.5+2.5x

We move all terms to the left:

40-(-12.5+2.5x)=0

We add all the numbers together, and all the variables

-(2.5x-12.5)+40=0

We get rid of parentheses

-2.5x+12.5+40=0

We add all the numbers together, and all the variables

-2.5x+52.5=0

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

-2.5x=-52.5

x=-52.5/-2.5

x=+21

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