SOLUTION: Solve the equation. {{{a/3-1/3=-3}}}

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Question 42927: Solve the equation.
a%2F3-1%2F3=-3
Answer by aaaaaaaa(138) About Me  (Show Source):
You can put this solution on YOUR website!
From
a%2F3-1%2F3=-3
We can calculate the least common multiple of the denominators, to cancel them out later. lcm(3, 1) = 3, so we convert the two sides to a fraction with denominator 3:
%28a-1%29%2F3+=+-9%2F3
We cut the denominators out:
a-1+=+-9
And solve.
Solved by pluggable solver: SOLVE a linear equation
Solve 1%2Aa%2B-1=-9. Move -1 to the right: 1%2Aa=-9--1. Divide by 1: a=%28-9--1%29%2F1=-8%2F1+=+-8


Therefore, a+=+-8