First, we need to find the value of x
Equation A = x - 3
Equation B = x + 3 = 5
Equation C = 15
Equation B= subtract three from both sides. Therefore, x = 2
Equation A = (2) - 3 = -1
Equation C = 15
Therefore
-1, 2, 15
I’m so sorry if this is wrong :(