Write an algebraic equation for the following word phrases:

Eight more than a number. Two fewer than a number.
Example answer: 8 + x or x + 8.  
Six fewer than a number. Eighteen more than a number.
   
Eighteen times a number. A number divided in six equal parts.
   
A number shared in three equal groups. Sixty-four times a number.
   
Four less than a number. The quotient of a number and ten.
   
A number increased by eleven. Seven divided by a number.
   
A number shared in six equal groups. Forty-two times a number.
   
One fewer than a number. The quotient of a number and nine.
   
A number decreased by ninety. Two hundred times a number.
   
A number decreased by eighty-nine. Sixty-six more than a number.
   
One hundred fewer than a number. The product of three and a number.
   
The product of nine and a number. Seventeen fewer than a number.
   
The quotient of a number and two hundred and thirty-two. The difference between five hundred and a number.
   
The quotient of a number and six. A number increased by seven.