SOLUTION: solve equation for the variable a. 3a-12b=15

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Question 23806: solve equation for the variable a.
3a-12b=15
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
3a-12b=15
First of all add 12b to both sides;
3a-12b+12b=15+12b
3a=15+12b
Now divide each side by 3;
3a%2F3=15%2B12b%2F3
a=15%2F3+12b%2F3
a=5+4b
=)