# How do you solve the system #y=1/2x+4# and #y=-4x-5# by graphing?

##### 1 Answer

Mar 17, 2016

The equations are in standard form,

#### Explanation:

The solution of this set of simultaneous linear equations is the point where the lines cross.

You can read from the graph that this point is

The equations can also be solved algebraically (as a way of checking your answer) by equating the two equations with one another:

Double to make it neater:

Add

Substitute back into either equation to find