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-3/4a=28
We move all terms to the left:
-3/4a-(28)=0
Domain of the equation: 4a!=0We multiply all the terms by the denominator
a!=0/4
a!=0
a∈R
-28*4a-3=0
Wy multiply elements
-112a-3=0
We move all terms containing a to the left, all other terms to the right
-112a=3
a=3/-112
a=-3/112
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