-4/7a=-9/28

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Solution for -4/7a=-9/28 equation: 



-4/7a=-9/28

We move all terms to the left:

-4/7a-(-9/28)=0



Domain of the equation: 7a!=0

a!=0/7

a!=0

a∈R



We get rid of parentheses

-4/7a+9/28=0

We calculate fractions

There is no solution for this equation

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