-12x=-75-11y -5x=-89-11y

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asked Jan 3, 2017 40.2k views

1 Answer

Yaya · Answer 1 · 2017-01-10T12:57:09+0000

12x - 11y = 75 . . . . . . . . (1)
5x - 11y = 89 . . . . . . . . (2)
(1) - (2): 7x = -14
x = -2
From (1): 12(-2) - 11y = 75
-24 - 11y = 75
-11y = 75 + 24 = 99
y = -9
Therefore, x = -2 and y = -9

-12x=-75-11y -5x=-89-11y

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