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Mathematics
Brayden Thompson
28 August, 11:03
10x + 10y = - 10
9x + 10y = - 18
+2
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2
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Jayleen Duffy
28 August, 11:55
0
(8,-9)
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Antoine Simmons
28 August, 13:38
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Step-by-step explanation:
10x+10y=-10
9x+10y=18
= 10x+10y=-10
-9x-10y=18
= x=8
step two is to find y:
10x+10y=-10
10 (8) + 10y=-10
80+10y=-10
10y=-90
y=-9
your answer:
(x, y) = (8,-9)
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