Question

If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a.

Answer 1

Since, the point (x = 3, y = 4) lies on the equation 3y = ax + 7, then the equation will be , satisfied by the point.

Now, put x = 3 and y = 4 in given equation, we get

3(4) = a (3)+7

⇒ 12 = 3a+7

⇒ 3a = 12 – 7

⇒ 3a = 5

Hence, the value of a is 5/3.

Answer 2

Answer:

if the point (3,4) lies on the given line, x=3 and y=4 will satisfy the given equation.

3y= ax+7

3(4)= a(3)+7

12 = 3a+7

12-7 = 3a

5= 3a

5/3 = a