Solve using elimination 10x - 9y = -8 and 2x - 8y = -14

Question

asked Sep 5, 2022 17.8k views

1 Answer

Chiseled · Answer 1 · 2022-09-08T23:03:05+0000

Answer:

x = 1, y = 2

Explanation:

Multiply 2x - 8y = -14 by 5 to get 10x - 40y = -70

Subtract (10x - 40y = -70) - (10x - 9y = -8)

Solve -31y = -62 for y

y = 2

Plug in y value to get x value

x = 1