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1/2a-4=1
We move all terms to the left:
1/2a-4-(1)=0
Domain of the equation: 2a!=0We add all the numbers together, and all the variables
a!=0/2
a!=0
a∈R
1/2a-5=0
We multiply all the terms by the denominator
-5*2a+1=0
Wy multiply elements
-10a+1=0
We move all terms containing a to the left, all other terms to the right
-10a=-1
a=-1/-10
a=1/10
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