7q-20=-10q+20+19q

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Solution for 7q-20=-10q+20+19q equation: 



7q-20=-10q+20+19q

We move all terms to the left:

7q-20-(-10q+20+19q)=0

We add all the numbers together, and all the variables

7q-(9q+20)-20=0

We get rid of parentheses

7q-9q-20-20=0

We add all the numbers together, and all the variables

-2q-40=0

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

-2q=40

q=40/-2

q=-20

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