9=2(q+4)-(-9)

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Solution for 9=2(q+4)-(-9) equation: 



9=2(q+4)-(-9)

We move all terms to the left:

9-(2(q+4)-(-9))=0



We calculate terms in parentheses: -(2(q+4)-(-9)), so:

2(q+4)-(-9)

We add all the numbers together, and all the variables

2(q+4)+9

We multiply parentheses

2q+8+9

We add all the numbers together, and all the variables

2q+17

Back to the equation:

-(2q+17)



We get rid of parentheses

-2q-17+9=0

We add all the numbers together, and all the variables

-2q-8=0

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

-2q=8

q=8/-2

q=-4

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