Question

Solve the system of linear equations below. Enter your solution as an ordered pair (x,y). Do not include spaces in your answer.
4x+y=19
y=3

Answer 1

What would be your first step?

Answer 2

put 3 in for y then subtract 3 from 19?

Answer 3

Sounds good. So when you do that you end up with: 4x = 16 right?

Answer 4

yes

Answer 5

So x=?

Answer 6

divide :)

Answer 7

4 right?

Answer 8

right

Answer 9

So you're done: solution is (4,3).

Answer 10

:) thanks!

Answer 11

You're welcome.