Question

Eight less than a number is seventy-five. What is the number?

Answer 1

a - 8 = 75
a = 75 + 8
a = 83

Answer 2

Let x be the unknown number. With the representation, eight less of this number is equal to x - 8. This is equal to 75. Thus, the equation is,
                                    x - 8 = 75
The value of x is equal to 83. Thus, the unknown number is 83.