Remember ‘difference’ refers to subtraction, so they are looking for the ‘difference’ of a a number, which is unknown, so we can use the variable ‘x.’ X-7
The term ‘at least’ refers to our greater than, less than, equal to signs
Difference of a number and 7 = x-7 Four times = (4) or •4 At least = < -52 = Answer negative 52 Plug them all in,
