Which ordered pair is a solution for the system of equations? {3x-5y=152x-y=-4 (-5, - 6) (0, 3) (2, 8) (-6, - 11)

Question

Mathematics

Leland Hurley

16 July, 07:52

Which ordered pair is a solution for the system of equations? {3x-5y=152x-y=-4 (-5, - 6) (0, 3) (2, 8) (-6, - 11)

+3

Answers (1)

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Adam Mills · Answer 1

3x-5y = 15

2x-y=-4

multiply the equation by 5 and then subtract equation 2 from equation 1

so 3x-5y = 15

10x-5y = - 20

-7x = 35 x = - 5

plug in the value of x in the second equation - 10 - y = - 4 - y = - 4 + 10 y = - 6

x=-5 y=-6