-2x+5y=-15 5x+2y=-6 how many solutions does this system have

Question

asked Sep 25, 2021 64.1k views

2 Answers

Andymcgregor · Answer 1 · 2021-09-28T19:12:33+0000

Answer:

Explanation:

-2x + 5y = -15

5x + 2y = -6

-10x + 25y = -75

10x + 10y = -30

35y = -105

y = -3

5x + 2(-3) = -6

5x - 6 = -6

5x = 0

x = 0

(0, -3)

one solution