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Question
State with reason whether the point (3, −2) will lie on the graph of the equation 5m – 3n = − 21
Solution
L.H.S. = 5m – 3n
= 5(3) – 3(– 2)
= 15 + 6
= 21
≠ R.H.S
∴ The point (3, – 2) does not lie on the graph of 5m – 3n = – 21.
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