7x+120=-9x+80

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Solution for 7x+120=-9x+80 equation: 



7x+120=-9x+80

We move all terms to the left:

7x+120-(-9x+80)=0

We get rid of parentheses

7x+9x-80+120=0

We add all the numbers together, and all the variables

16x+40=0

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

16x=-40

x=-40/16

x=-2+1/2

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