3x+8=2x-9x

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



3x+8=2x-9x

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-(-7x)+8=0

We get rid of parentheses

3x+7x+8=0

We add all the numbers together, and all the variables

10x+8=0

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

10x=-8

x=-8/10

x=-4/5

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