Solve for x and y respectively
3x – 5y = 9
6x – 4y = 12
3x – 5y = 9
6x – 4y = 12
-
A.
(frac{3}{4}), 1 -
B.
(frac{4}{3}), 1 -
C.
(frac{3}{4}), -1 -
D.
(frac{4}{3}), -1
Correct Answer: Option D
Explanation
3x – 5y = 9 —x2
6x – 4y = 12 —x1
6x – 10y = 18
-6x – 4y = 12
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(frac{6y}{-6}) = (frac{6}{6})
y = -1
in eq (1) 3x – 5y = 9
3x – 5(-1) = 9
3x + 5 = 9
3x = 4
x = (frac{4}{3})
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