Question

What is 85 less than the product of 23 and an unknown number is 191 in an equation?

Answer 1

Let n is the unknown number
the product of 23 and an unknown : 23n
85 less than the product of 23 and an unknown number: 23n - 85
85 less than the product of 23 and an unknown number is 191: 23n - 85 = 191

answer:
equation: 23n - 85 = 191