How many solutions does this system have? y =-3x. -9x-4y=21 one two an infinite number no solution

Question

asked Jul 27, 2021 14.0k views

2 Answers

Michael Martinez · Answer 1 · 2021-07-31T04:20:45+0000

Answer:

one or seven READ DESCRIPTION

Explanation:

y =-3x. -9x-4y=21

-9x+12x=21

3x=21

3*7=21

if you didn't mean to do a double negative then it would be one, but otherwise it's seven