Sum
Solve the following equations by trial and error method:
3m - 14 = 4
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Solution
3m - 14 = 4
Putting m = 4,
(3 × 4) - 14 = -2 ≠ R.H.S.
Putting m = 5,
(3 × 5) - 14 = 1 ≠ R.H.S.
Putting m = 6,
(3 × 6) - 14 = 18 - 14 = 4 = R.H.S.
Hence, m = 6 is a solution of the given equation.
Concept: Concept of Equation
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