Question

Which ordered pair is a solution to this system of equations. 7x+5y=59 and 3x-9y=159

A.(-17,-12)
B.(-17,12)
C.(17,-12)
D.(17,12)

Answer 1

Your is answer should be D

Answer 2

the answer is c

Explanation:

7(17)+5(-12)=59

3(17)-9(-y)=159 - two negative signs cancels each other and becomes a positive