(5x-4)+(-4x-9)=9x+7

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Solution for (5x-4)+(-4x-9)=9x+7 equation: 



(5x-4)+(-4x-9)=9x+7

We move all terms to the left:

(5x-4)+(-4x-9)-(9x+7)=0

We get rid of parentheses

5x-4x-9x-4-9-7=0

We add all the numbers together, and all the variables

-8x-20=0

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

-8x=20

x=20/-8

x=-2+1/2

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