A table follows the rule y = 5x – 1. If y = 19, what is x?
Note
Start from 19 = 5x - 1. Add 1: 20 = 5x. Divide by 5: x = 4.
A table follows the rule y = 5x – 1. If y = 19, what is x?
Start from 19 = 5x - 1. Add 1: 20 = 5x. Divide by 5: x = 4.