-4/q=-2

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Solution for -4/q=-2 equation: 



-4/q=-2

We move all terms to the left:

-4/q-(-2)=0



Domain of the equation: q!=0

q∈R



We add all the numbers together, and all the variables

-4/q+2=0

We multiply all the terms by the denominator


2*q-4=0

We add all the numbers together, and all the variables

2q-4=0

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

2q=4

q=4/2

q=2

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