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-625/2a=40
We move all terms to the left:
-625/2a-(40)=0
Domain of the equation: 2a!=0We multiply all the terms by the denominator
a!=0/2
a!=0
a∈R
-40*2a-625=0
Wy multiply elements
-80a-625=0
We move all terms containing a to the left, all other terms to the right
-80a=625
a=625/-80
a=-7+13/16
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