Answer all of these please

1.The product of a number and seven more than the number

2.The product of a number and seven less than the number

3.Eight less than twice a number is fourteen.

4.One less than three times a number is seven.

5. Four more than five times a number is two less than the number.

6.Ten less than a number is three more than six times the number.

7.Twice the sum of a number and 3 is 20.