Find the solution of this system of equations -2x-4y=42 2x-8y=18

Question

asked Dec 19, 2019 59.0k views

2 Answers

VSadov · Answer 1 · 2019-12-23T13:46:48+0000

Answer:

(-11, -5)

Explanation:

Use elimination

-2x-4y = 42

2x-8y = 18

-12y = 60

y = -5

Plug it back in

2x-8(-5) = 18

2x+40 = 18

2x = -22

x = -11

(-11, -5)