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420=5/6a
We move all terms to the left:
420-(5/6a)=0
Domain of the equation: 6a)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
-(+5/6a)+420=0
We get rid of parentheses
-5/6a+420=0
We multiply all the terms by the denominator
420*6a-5=0
Wy multiply elements
2520a-5=0
We move all terms containing a to the left, all other terms to the right
2520a=5
a=5/2520
a=1/504
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