8x+4x=-9+7x-6+2x

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Solution for 8x+4x=-9+7x-6+2x equation: 



8x+4x=-9+7x-6+2x

We move all terms to the left:

8x+4x-(-9+7x-6+2x)=0

We add all the numbers together, and all the variables

8x+4x-(9x-15)=0

We add all the numbers together, and all the variables

12x-(9x-15)=0

We get rid of parentheses

12x-9x+15=0

We add all the numbers together, and all the variables

3x+15=0

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

3x=-15

x=-15/3

x=-5

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