-7/2a=28

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Solution for -7/2a=28 equation: 



-7/2a=28

We move all terms to the left:

-7/2a-(28)=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We multiply all the terms by the denominator


-28*2a-7=0

Wy multiply elements

-56a-7=0

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

-56a=7

a=7/-56

a=-1/8

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