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In the Following Equations, Verify If the Given Value is a Solution of the Equation: 3x + 8 = X - 7; X = 3 - Mathematics

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Question

In the following equations, verify if the given value is a solution of the equation: 3x + 8 = x - 7; x = 3

Sum

Solution

3x + 8 = x - 7; x = 3
can be written as : 2x + 15 = 0
Putting, x = 3, we get L.H.S. = R.H.S.
Thus, x = 3 is a solution of the equation 3x + 8 = x - 7.

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Linear Equation in Two Variables
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Chapter 7: Linear Equations - Exercise 7.1

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Frank Mathematics [English] Class 9 ICSE
Chapter 7 Linear Equations
Exercise 7.1 | Q 1.3
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