Thread: Elimination (with fractions)

I've thought I had elimination down but adding fractions is making me crazy, help?

The question that I need help on is.

m + 3/4n =4
n - 1/4m = -1

Is the problem

(1)




or (2)




?

It's the first one.

Forgive me, i'm still new :P

Well, if you don't like fractions, you can get rid of them.

is equivalent to



and is equivalent to

.

If you can handle fractions, the easiest method comes from adding the two equations and to obtain , that is, .
From this, quickly follows.