3-4x=-9-8x

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Solution for 3-4x=-9-8x equation: 



3-4x=-9-8x

We move all terms to the left:

3-4x-(-9-8x)=0

We add all the numbers together, and all the variables

-4x-(-8x-9)+3=0

We get rid of parentheses

-4x+8x+9+3=0

We add all the numbers together, and all the variables

4x+12=0

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

4x=-12

x=-12/4

x=-3

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