121=x+(x+45)

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Solution for 121=x+(x+45) equation: 



121=x+(x+45)

We move all terms to the left:

121-(x+(x+45))=0



We calculate terms in parentheses: -(x+(x+45)), so:

x+(x+45)

We get rid of parentheses

x+x+45

We add all the numbers together, and all the variables

2x+45

Back to the equation:

-(2x+45)



We get rid of parentheses

-2x-45+121=0

We add all the numbers together, and all the variables

-2x+76=0

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

-2x=-76

x=-76/-2

x=+38

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