Question

The product of 4 and a number is 18 more than twice the number. What is the number?

Answer 1

The number is `9`.

Explanation:

`4x = 2x + 18 " "` {the product of `4` and a number is `18` more than twice the number}

`2x = 18" "` {subtracted `2x` from each side}

`x = 9" "` {divided each side by `2`}