120+x=2.5x

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Solution for 120+x=2.5x equation: 



120+x=2.5x

We move all terms to the left:

120+x-(2.5x)=0

We add all the numbers together, and all the variables

x-(+2.5x)+120=0

We get rid of parentheses

x-2.5x+120=0

We add all the numbers together, and all the variables

-1.5x+120=0

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

-1.5x=-120

x=-120/-1.5

x=+80

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