9+2/q=21

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Solution for 9+2/q=21 equation: 



9+2/q=21

We move all terms to the left:

9+2/q-(21)=0



Domain of the equation: q!=0

q∈R



We add all the numbers together, and all the variables

2/q-12=0

We multiply all the terms by the denominator


-12*q+2=0

We add all the numbers together, and all the variables

-12q+2=0

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

-12q=-2

q=-2/-12

q=1/6

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