100/a=5

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Solution for 100/a=5 equation:



100/a=5
We move all terms to the left:
100/a-(5)=0
Domain of the equation: a!=0
a∈R
We multiply all the terms by the denominator
-5*a+100=0
We add all the numbers together, and all the variables
-5a+100=0
We move all terms containing a to the left, all other terms to the right
-5a=-100
a=-100/-5
a=+20

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