Here are the answers to your questions:
Question 1: An equation always has an equal sign
- Response: True
Question 2: How do you solve the following equation. X + 12 = 20
- Response: Subtract 12 from both sides
Question 3: What is the inverse operation to subtraction?
- Response: Addition
Question 4: Solve for X: X - 10 = 19
- Response: 29
Question 5: Solve for X: 10 + X = 30
- Response: 20