If the point (2, 5) lies on the graph of 3y = ax + 7, then the value of a is _______

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Solution

The correct option is C 4
A point lies on a line if its coordinates satisfy the equation of the line.
Substitute x = 2, y = 5 in the equation 3y = ax + 7

3 $\times$ 5 = 2a + 7

2a = 3 $\times$ 5 – 7 = 8

a = 4

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Similar questions

If the point (2, 5) lies on the graph of 3y = ax + 7, then find the value of a

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