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Question

What are values of x and y respectively for the given system of equations?
5x3y8=0, and 2x3y5=0.

A
1 and 1
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B
-1 and -1
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C
1 and -1
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D
-1 and 1
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Solution

The correct option is C 1 and -1
Given,
5x3y=8 ...(a)
2x3y=5 ...(b)

Using (a),
3y=5x8
Substituting value of 3y in (b)
2x(5x8)=5
3x+8=5
x=1
Putting value of x=1 in (a)
We obtain,
y=1

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