Asked by vincent

x + 2y = 1 1/3
+x - y =+1/3
3y = ?

not just and answer

A.0
B.- 1/3
C.1/3
D.1
E.1 2/3
Answered by Steve
No ideas at all? From the problems you have posted, I would think that an algebra I problem like this would be no challenge.

solve for x in the 1st, and substitute it into the 2nd. Then solve for 3y.
Answered by Reiny
Just subtract them as they are to get
3y = ....
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