57=g+(-21)

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Solution for 57=g+(-21) equation: 



57=g+(-21)

We move all terms to the left:

57-(g+(-21))=0



We calculate terms in parentheses: -(g+(-21)), so:

g+(-21)

We add all the numbers together, and all the variables

g-21

Back to the equation:

-(g-21)



We get rid of parentheses

-g+21+57=0

We add all the numbers together, and all the variables

-1g+78=0

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

-g=-78

g=-78/-1

g=+78

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