2q-9=9-7q

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Solution for 2q-9=9-7q equation: 



2q-9=9-7q

We move all terms to the left:

2q-9-(9-7q)=0

We add all the numbers together, and all the variables

2q-(-7q+9)-9=0

We get rid of parentheses

2q+7q-9-9=0

We add all the numbers together, and all the variables

9q-18=0

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

9q=18

q=18/9

q=2

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