(8x+120)+7x=90

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Solution for (8x+120)+7x=90 equation: 



(8x+120)+7x=90

We move all terms to the left:

(8x+120)+7x-(90)=0

We add all the numbers together, and all the variables

7x+(8x+120)-90=0

We get rid of parentheses

7x+8x+120-90=0

We add all the numbers together, and all the variables

15x+30=0

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

15x=-30

x=-30/15

x=-2

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