Write each of the following phrases using numbers, literals and the basic operation of addition:

Match the items on the right to the items on the left.

The sum of x and 3

3 more than a number x

x added to 9

Increase x by 4

The sum of x and 5 added to y

x added to the sum of y and 4

x + 3

x + 9

x + 4

(x + 5 ) + y

x + ( y + 4 )