# How do you solve #x + y = 3 # and #3x + 4y = 8# using substitution?

##### 1 Answer

Dec 6, 2016

#### Explanation:

Step 1) Solve the first equation for

Step 2) Substitute

Step 3) substitute

Dec 6, 2016

Step 1) Solve the first equation for

Step 2) Substitute

Step 3) substitute