Question

If (4, 19) is a solution of the equation y = ax + 3, then find the value of a.​

Answer 1

Answer:

a = 4

Step-by-step explanation:

from the given point (4,19)

x = 4

y = 19

substitute into y = ax + 3

19 = a(4) + 3

19-3 = 4a

16 = 4a

divide both sides by 4

16 = 4a

__ ___

4 4

a = 4

Thanks , hope it helps