NCERT Solutions for Class 9 Maths Chapter 4
Important NCERT Questions
Linear equations in two variables
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 4.3
Page No:74
Questions No: 3
If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a.
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Given equation of line: 3y = ax + 7.
Putting x = 3 and y = 4, we have, 3 x 4 = a x3 +7
⇒ 12 = 3a + 7 ⇒ 12 – 7 = 3a
⇒ a = 5/3
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