4x+4x=-4x-9

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Solution for 4x+4x=-4x-9 equation: 



4x+4x=-4x-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

8x-(-4x-9)=0

We get rid of parentheses

8x+4x+9=0

We add all the numbers together, and all the variables

12x+9=0

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

12x=-9

x=-9/12

x=-3/4

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