q-q+3q-q=20

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Solution for q-q+3q-q=20 equation: 



q-q+3q-q=20

We move all terms to the left:

q-q+3q-q-(20)=0

We add all the numbers together, and all the variables

2q-20=0

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

2q=20

q=20/2

q=10

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