Answer:
D(-9,7)
Explanation:
Multiplying Exq 2 by 2, 2x+4y=10-(exq 3)
Subtracting 1 from 3,
2x+4y-2x-3y= 10-3
y=7
Substitue y=7 in 1,
2x+3(7)=3
2x= 3-21
2x=-18
x=-9
x=-9 and y =7
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