Question

Use substitution to solve the system of equations.


28 = x – 7y
–3x + 9 =4y

Answer 1

the answer is (7,-3)

Answer 2

Hello!

Answer:

$\boxed{ \bf Solution:~(7,-3)}$

Explanation:

I solved the problem in the image attached below. Go check it out! If you don’t understand a certain step, you may ask me in the comments.