3x+9=8x-1=3x+4

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Solution for 3x+9=8x-1=3x+4 equation: 



3x+9=8x-1=3x+4

We move all terms to the left:

3x+9-(8x-1)=0

We get rid of parentheses

3x-8x+1+9=0

We add all the numbers together, and all the variables

-5x+10=0

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

-5x=-10

x=-10/-5

x=+2

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