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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-8x+9-4=0

We add all the numbers together, and all the variables

-5x+5=0

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

-5x=-5

x=-5/-5

x=1

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