1. Four more than ten times a number is twenty-four. What is the number?

2. Four less than eight times a number is twenty. What is the number?

3. The difference between ten times a number and two is twenty-eight. What is the
number?

4. Five more than the quotient of a number and six is fifteen. What is the number?

5. Four less than four times a number and six is
twenty-eight. What is the number?