21-(x)=-35

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Solution for 21-(x)=-35 equation: 



21-(x)=-35

We move all terms to the left:

21-(x)-(-35)=0

We add all the numbers together, and all the variables

-1x+56=0

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

-x=-56

x=-56/-1

x=+56

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