-7.9+(-0.8x)=-21.5

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Solution for -7.9+(-0.8x)=-21.5 equation: 



-7.9+(-0.8x)=-21.5

We move all terms to the left:

-7.9+(-0.8x)-(-21.5)=0

We add all the numbers together, and all the variables

(-0.8x)+13.6=0

We get rid of parentheses

-0.8x+13.6=0

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

-0.8x=-13.6

x=-13.6/-0.8

x=17+-1.7763568394003E-15/0.8

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