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Mathematics
Rayne Calhoun
6 July, 12:48
What is the awnser to - 9xt4y=-17 9x-6y=3
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Dominique Trevino
6 July, 13:01
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Solve first to find y and - 9+9 = 0
-9x+4y=-17
9x-6y=3
2y = - 14
Y = - 14/2
Y=-7
Substitute your y answer into first equation solve to find x.
-9x+4 (-7) = - 17
-9x-28 = - 17
-9x = - 17+28
-9x = 11
X = 11/-9
X = - 1.2222 or - 1 and 2/9
So answer is (-1.2222, - 7)
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