3x-4x=8-2x-9

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Solution for 3x-4x=8-2x-9 equation: 



3x-4x=8-2x-9

We move all terms to the left:

3x-4x-(8-2x-9)=0

We add all the numbers together, and all the variables

3x-4x-(-2x-1)=0

We add all the numbers together, and all the variables

-1x-(-2x-1)=0

We get rid of parentheses

-1x+2x+1=0

We add all the numbers together, and all the variables

x+1=0

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

x=-1

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