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Solve x + 2y = 134x + 8y = -9 (3, 5) (-1, 7) No Solutions Infinitely Many Solutions (Basically I've been learning the wrong material and do not know how to go about this material.)
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Solve x + 2y = 134x + 8y = -9

(3, 5)

(-1, 7)

No Solutions

Infinitely Many Solutions



(Basically I've been learning the wrong material and do not know how to go about this material.)

User Chris Snyder
by
7.7k points

1 Answer

1 vote
x + 2y = -9 . . . (1)
134x + 8y = -9 . . . (2)

(1) * 4 => 4x + 8y = -36 . . . (3)

(2) - (3) => 130x = 27
x = 27/130

From (1);
27/130 + 2y = -9
2y = -9 - 27/130 = -1197/130
y = -1197/60
User Remus
by
8.2k points
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