Answered

Which ordered pair is the solution to the system of equations?

-3x+4y=-20

x+4y=-4

A.

(8, 1)


B.

(−12, 2)


C.

(−4, −8)


D.

(4, −2)

Verified Answer :

x+4y=-4
x=-4-4y


-3(-4-4y)+4y=-20
12+12y+4y=-20
16y=-20-12
y=-32/16
y=-2


x=-4-4(-2)
x=-4+8
x=4



D.(4,2)

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