120-x=0.5x

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Solution for 120-x=0.5x equation:



120-x=0.5x
We move all terms to the left:
120-x-(0.5x)=0
We add all the numbers together, and all the variables
-x-(+0.5x)+120=0
We add all the numbers together, and all the variables
-1x-(+0.5x)+120=0
We get rid of parentheses
-1x-0.5x+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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