# How do you solve #2x+2y=14# and #2x-y=5# using substitution?

##### 1 Answer

Apr 8, 2016

#### Explanation:

First you want to find a definition for either

Now you can substitute this into the first equation.

With this value, substitute into anything and it should give you

You can substitute these values into any of the equations and they should work, if they are correct.