Solve by elimination 5x-14y=22 -6x+7y=3

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asked Sep 16, 2016 230k views

1 Answer

Jaege · Answer 1 · 2016-09-20T10:28:37+0000

5x - 14y = 22 ⇒ 5x - 14y = 22
-6x + 7y = 3 ⇒ 12x - 14y = -6
-7x = 28
-7 -7
x = -4
5x - 14y = 22
5(-4) - 14y = 22
-20 - 14y = 22
+ 20 + 20
-14y = 42
-14 -14
y = -3
(x, y) = (-4, -3)

Solve by elimination 5x-14y=22 -6x+7y=3

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