Question

Translate the words into a mathematical expression: the sum of a number and five

Answer 1

x+5

Answer 2

sum means addition; you're adding 5 to some number .. x n z f whatever you want to call it

Answer 3

Translate the words into a mathematical expression: 18 less than a number

Answer 4

x amount less than N number
N - X
18 less than a number
N - 18