X+3x=9x-25

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Solution for X+3x=9x-25 equation: 



X+3X=9X-25

We move all terms to the left:

X+3X-(9X-25)=0

We add all the numbers together, and all the variables

4X-(9X-25)=0

We get rid of parentheses

4X-9X+25=0

We add all the numbers together, and all the variables

-5X+25=0

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

-5X=-25

X=-25/-5

X=+5

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