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Mathematics
Ralph Snow
25 October, 06:39
Solve for x and y
-8y+9x=-5
8y+7x=-75
+2
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1
)
Sage Wong
25 October, 09:47
0
-8y + 9x = - 5
8y + 7x = - 75
16x = - 80
x = - 5
8y + 7 (-5) = - 75
8y - 35 = - 75
8y = - 40
y = - 5
(-5,-5)
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