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jok3333 [9.3K]
3 years ago
9

Which ordered pair is a solution of the system?

Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0
Y = -2x - 4

x + 4y = 19
x + 4(-2x - 4) = 19
x + (-8x) - 16 = 19
-7x - 16 = 19
-7x = 35
-x = 5
x = -5

y = -2x - 4
y = -2(-5) - 4
y = 10 -4
y = 6

Solution set {-5, 6} (C)
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