4/7a=-4

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Solution for 4/7a=-4 equation: 



4/7a=-4

We move all terms to the left:

4/7a-(-4)=0



Domain of the equation: 7a!=0

a!=0/7

a!=0

a∈R



We add all the numbers together, and all the variables

4/7a+4=0

We multiply all the terms by the denominator


4*7a+4=0

Wy multiply elements

28a+4=0

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

28a=-4

a=-4/28

a=-1/7

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