4/5a=7

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Solution for 4/5a=7 equation: 



4/5a=7

We move all terms to the left:

4/5a-(7)=0



Domain of the equation: 5a!=0

a!=0/5

a!=0

a∈R



We multiply all the terms by the denominator


-7*5a+4=0

Wy multiply elements

-35a+4=0

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

-35a=-4

a=-4/-35

a=4/35

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