CBSE Class 7 Answered
3.solve the following equations by trial and error method :
1)5p+2=17
Asked by Kumararjun246824 | 01 Jan, 2019, 08:20: PM
Expert Answer
5p + 2 = 17
Consider, x = 1
Then LHS = 5 × 1 + 2 = 7
LHS ≠ RHS
Hence, p = 1 is not a solution.
Consider,
p = 3
LHS = 5 × 3 + 2 = 17
LHS = RHS
Hence, p = 3 is a solution of the given equation.
Answered by Sneha shidid | 02 Jan, 2019, 11:35: AM
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