9/a=-4

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Solution for 9/a=-4 equation: 



9/a=-4

We move all terms to the left:

9/a-(-4)=0



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

9/a+4=0

We multiply all the terms by the denominator


4*a+9=0

We add all the numbers together, and all the variables

4a+9=0

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

4a=-9

a=-9/4

a=-2+1/4

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