(Q+7)(q+4)=0

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Solution for (Q+7)(q+4)=0 equation: 



(+7)(Q+4)=0

We add all the numbers together, and all the variables

7(Q+4)=0

We multiply parentheses

7Q+28=0

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

7Q=-28

Q=-28/7

Q=-4

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