121=u+(-12)

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Solution for 121=u+(-12) equation: 



121=u+(-12)

We move all terms to the left:

121-(u+(-12))=0



We calculate terms in parentheses: -(u+(-12)), so:

u+(-12)

We add all the numbers together, and all the variables

u-12

Back to the equation:

-(u-12)



We get rid of parentheses

-u+12+121=0

We add all the numbers together, and all the variables

-1u+133=0

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

-u=-133

u=-133/-1

u=+133

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