# How do you solve #3x+y=3# and #2y=-6x+6#?

##### 1 Answer

Jul 4, 2016

This is an identity, it will work for any values of x and y.

#### Explanation:

There are several methods for solving simultaneous equations, but in this case I like the idea that

If we can get both equations written in terms of

This simplifies to

This is an example of an identity which means that there is no single solution and the equations will work for all values of x and y.