a/3+(-21)=7

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Solution for a/3+(-21)=7 equation:



a/3+(-21)=7
We move all terms to the left:
a/3+(-21)-(7)=0
determiningTheFunctionDomain a/3-7+(-21)=0
We add all the numbers together, and all the variables
a/3-28=0
We multiply all the terms by the denominator
a-28*3=0
We add all the numbers together, and all the variables
a-84=0
We move all terms containing a to the left, all other terms to the right
a=84

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