20q-11q+2q-q-8q=42

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Solution for 20q-11q+2q-q-8q=42 equation: 



20q-11q+2q-q-8q=42

We move all terms to the left:

20q-11q+2q-q-8q-(42)=0

We add all the numbers together, and all the variables

2q-42=0

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

2q=42

q=42/2

q=21

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