Question

Which ordered pair is the solution to the system of linear equations -5x+y=26 and 2x-7y=16

A.(-4 6)
B.(6 -4)
C. (-4 -6)
D (-6 -4)​

Answer 1

(–6, –4)

Explanation:

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Answer 2

D(-6,-4)

Explanation:

-5x + y = 26

2x - 7y = 16

-5x/-5 = 26-y/-5

x = -26/5 + y/5

2(-26/5 + y/5) = 7y = 16

-52/5 + 2y/5 = 16 + 52/5

-33y/5 = 80/5 + 52/5

-33y/5 = 132/5

-33y = 132

y = -4

2x - 7(-4) = 16

2x + 28 = 16

2x = -12

x = -6