2q-8q+9=-8q-9

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Solution for 2q-8q+9=-8q-9 equation: 



2q-8q+9=-8q-9

We move all terms to the left:

2q-8q+9-(-8q-9)=0

We add all the numbers together, and all the variables

-6q-(-8q-9)+9=0

We get rid of parentheses

-6q+8q+9+9=0

We add all the numbers together, and all the variables

2q+18=0

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

2q=-18

q=-18/2

q=-9

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