# How do you solve #3x - y = 10# and #-x + y = -4#?

##### 1 Answer

Oct 4, 2016

#### Explanation:

You have to eliminate either the

This system is easier to solve if you eliminate the

You can eliminate the

**This is where #y# is eliminated.**

You then left with ...

Isolate x by dividing by

Now substitute the value of

I will substitute into the first equation.

Subtract

Divide by

The answer is