Answer: Yes, it is the solution.
(0,3) The 0 is in the ‘x’ place while the 3 is in the ‘y’ place in the parenthesis.
Replace the x and y in the equation.
X= 0, Y= 3.
Y= x + 3
3= 0 + 3
3 = 3
This statement is true, 3 is equals to 3. So that means that (0,3) is a solution to the equation.
I hope this is helpful.