21-30x=-1x+79

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Solution for 21-30x=-1x+79 equation: 



21-30x=-1x+79

We move all terms to the left:

21-30x-(-1x+79)=0

We get rid of parentheses

-30x+1x-79+21=0

We add all the numbers together, and all the variables

-29x-58=0

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

-29x=58

x=58/-29

x=-2

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