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Question

evaluate:
3x5y=16;x3y=8

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Solution

3x5y=16(1)
x3y=8(2)

From eqn (2), x=8+3y

In eqn (1)
3(8+3y)5y=16
24+9y5y=16
4y=8
y=2

So,
x=8+3(2)
=86=2

Hence, this is the answer.

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