X/2-12=9;x=42

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Solution for X/2-12=9;x=42 equation: 



X/2-12=9X=42

We move all terms to the left:

X/2-12-(9X)=0

We add all the numbers together, and all the variables

-9X+X/2-12=0

We multiply all the terms by the denominator


-9X*2+X-12*2=0

We add all the numbers together, and all the variables

X-9X*2-24=0

Wy multiply elements

X-18X-24=0

We add all the numbers together, and all the variables

-17X-24=0

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

-17X=24

X=24/-17

X=-1+7/17

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