Linear Equations In Two Variables (Quiz) Level - 3

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You are given system of linear equations:
152x - 378y = — 74 and
-378x + 152y = — 604
Its solution is:
choose one x = 1, y = 2 x =2, y = -1 x = 2, y = 1 x = -2, y = -1

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Solution of given pair of linear equations:
7x - 4y = 49 and
5x - 6y = 57
is:
choose one x = -7, y = 3 x = 3, y = 7 x = 7, y = -3 x = 3, y = -7

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$$\begin{array}{l}\frac{6}{x-1}-\frac{3}{y-2}=1;\\ \frac{5}{x-1}+\frac{1}{y-2}=2wherex\ne 1,y\ne 2\end{array}$$ Solution of the given pair of equations by reducing them to a pair of linear equations
is:
choose one x = 4, y = 5 x = 5, y = 4 x = 4, y = -5 x = -5, y = -4

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$$\begin{array}{l}\frac{7x-2y}{xy}=5\\ \frac{8x+7y}{xy}=15\end{array}$$ Solution of the given pair of equations by reducing them to a pair of linear equations
is:
choose one x = -1, y = 1 x = 1, y = 1 x = 1, y = -1 x = -1, y = -1

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