# How do you solve the following system using substitution?: #y=x-5, y=2x#

##### 1 Answer

Oct 24, 2015

#### Explanation:

You simply have to substitute

**So in the first equation, the value of #y# is #x-5#. You just have to substitute this value into #y# in the second equation.**

**Now that we have the value of #x#, we can plug it into either of the two equations to solve for #y#.**