100=x+(2x+45)

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Solution for 100=x+(2x+45) equation: 



100=x+(2x+45)

We move all terms to the left:

100-(x+(2x+45))=0



We calculate terms in parentheses: -(x+(2x+45)), so:

x+(2x+45)

We get rid of parentheses

x+2x+45

We add all the numbers together, and all the variables

3x+45

Back to the equation:

-(3x+45)



We get rid of parentheses

-3x-45+100=0

We add all the numbers together, and all the variables

-3x+55=0

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

-3x=-55

x=-55/-3

x=18+1/3

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