-1/5a+21=25

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Solution for -1/5a+21=25 equation:



-1/5a+21=25
We move all terms to the left:
-1/5a+21-(25)=0
Domain of the equation: 5a!=0
a!=0/5
a!=0
a∈R
We add all the numbers together, and all the variables
-1/5a-4=0
We multiply all the terms by the denominator
-4*5a-1=0
Wy multiply elements
-20a-1=0
We move all terms containing a to the left, all other terms to the right
-20a=1
a=1/-20
a=-1/20

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