-21-3x=-48

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Solution for -21-3x=-48 equation: 



-21-3x=-48

We move all terms to the left:

-21-3x-(-48)=0

We add all the numbers together, and all the variables

-3x+27=0

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

-3x=-27

x=-27/-3

x=+9

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