-21.48=-8.7+x

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Solution for -21.48=-8.7+x equation: 



-21.48=-8.7+x

We move all terms to the left:

-21.48-(-8.7+x)=0

We add all the numbers together, and all the variables

-(x-8.7)-21.48=0

We get rid of parentheses

-x+8.7-21.48=0

We add all the numbers together, and all the variables

-1x-12.78=0

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

-x=12.78

x=12.78/-1

x=-12+0.78/1

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