9x+120=-5x+140

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Solution for 9x+120=-5x+140 equation: 



9x+120=-5x+140

We move all terms to the left:

9x+120-(-5x+140)=0

We get rid of parentheses

9x+5x-140+120=0

We add all the numbers together, and all the variables

14x-20=0

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

14x=20

x=20/14

x=1+3/7

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