0.5x+x=120

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Solution for 0.5x+x=120 equation: 



0.5x+x=120

We move all terms to the left:

0.5x+x-(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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