# How do you solve #4x-3y = -15# and #x + y = 5 # using substitution?

##### 1 Answer

#### Answer:

#### Explanation:

Given:

Then, from equation B:

Substitute for

Substitute the value of

To check, substitute the values into equation A":

Given:

Then, from equation B:

Substitute for

Substitute the value of

To check, substitute the values into equation A":