21q-q-6q+4q=18

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Solution for 21q-q-6q+4q=18 equation: 



21q-q-6q+4q=18

We move all terms to the left:

21q-q-6q+4q-(18)=0

We add all the numbers together, and all the variables

18q-18=0

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

18q=18

q=18/18

q=1

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