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प्रश्न
Check whether the value given in the bracket is a solution to the given equation or not:
7n + 5 = 19 (n = 2)
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उत्तर
7n + 5 = 19 (n = 2)
Putting n = 2
L.H.S. = 7n + 5
= 7 × (2) + 5
= 14 + 5
= 19 = R.H.S.
As L.H.S. = R.H.S.
Therefore, n = 2 is a solution of the given equation, 7n + 5 = 19.
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