20x+85=15x+120

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Solution for 20x+85=15x+120 equation: 



20x+85=15x+120

We move all terms to the left:

20x+85-(15x+120)=0

We get rid of parentheses

20x-15x-120+85=0

We add all the numbers together, and all the variables

5x-35=0

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

5x=35

x=35/5

x=7

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