120=40+4.50x

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Solution for 120=40+4.50x equation: 



120=40+4.50x

We move all terms to the left:

120-(40+4.50x)=0

We add all the numbers together, and all the variables

-(4.50x+40)+120=0

We get rid of parentheses

-4.50x-40+120=0

We add all the numbers together, and all the variables

-4.5x+80=0

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

-4.5x=-80

x=-80/-4.5

x=17+2.33333333333/3

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