X-x/4=9

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Solution for X-x/4=9 equation: 



X-X/4=9

We move all terms to the left:

X-X/4-(9)=0

We multiply all the terms by the denominator


X*4-X-9*4=0

We add all the numbers together, and all the variables

-1X+X*4-36=0

Wy multiply elements

-1X+4X-36=0

We add all the numbers together, and all the variables

3X-36=0

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

3X=36

X=36/3

X=12

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