How do I solve 15 ?

Answer:
To solve this equation, you could just use guess-and-check. You would just guess at ... X + 5 = 15, If you add 5 to my number you get 15. What is my number? X = 10, Because 10 + 5 = 15. X - 13 = 13, If you subtract 13 ...
Step-by-step explanation:
To solve this equation, you could just use guess-and-check. You would just guess at ... X + 5 = 15, If you add 5 to my number you get 15. What is my number? X = 10, Because 10 + 5 = 15. X - 13 = 13, If you subtract 13 ...