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)

asked Jan 22, 2021 219k views

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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)

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4 votes

Your is answer should be D

Jean Davy answered Jan 24, 2021

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2 votes

Answer:

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

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