Solve the system of equations-6x+7y=9 and 2x-2y=-4

Question

asked Nov 27, 2022 189k views

1 Answer

Clee · Answer 1 · 2022-12-03T02:05:54+0000

Answer:

y = -3 and x = -5

Explanation:

Hi,

-6x + 7y = 9

2x - 2y = -4

Multiply the bottm equation by 3...

-6x + 7y = 9

6x - 6y = -12

Add...

y = -3

Now...

2x - 2 (-3) = -4

2x + 6 = -4

2x = -10

x = -5

Answer...

y = -3 and x = -5