(5x+-7x)=-120

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Solution for (5x+-7x)=-120 equation: 



(5x+-7x)=-120

We move all terms to the left:

(5x+-7x)-(-120)=0

We add all the numbers together, and all the variables

(-2x)-(-120)=0

We add all the numbers together, and all the variables

(-2x)+120=0

We get rid of parentheses

-2x+120=0

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

-2x=-120

x=-120/-2

x=+60

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