120=1.5^2+x+3

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Solution for 120=1.5^2+x+3 equation: 



120=1.5^2+x+3

We move all terms to the left:

120-(1.5^2+x+3)=0

We get rid of parentheses

-x-3+120-1.5^2=0

We add all the numbers together, and all the variables

-1x+114.75=0

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

-x=-114.75

x=-114.75/-1

x=114+0.75/1

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