# How do you solve the following system: #4x+y=-7, 8x-y=19 #?

##### 2 Answers

Jul 13, 2016

The Soln.

#### Explanation:

From the First eqn., we get

Sub.ing this

Then, by

Hence the Soln.

Jul 13, 2016

#### Explanation:

Each of these equations can easily be written with

Because

There are now two equations for finding the value of