Question

Evaluate the expression 3 x when x equals negative 9​

Answer 1

`given \: that \: :`

`x \: = - 9`

`then \: 3x \: will \: be :`

`3 * x`

`3 * - 9`

`= - 27`

`∴3x = - 27 \: ( \: x \: = - 9)`

Answer 2

3x when x=-9 would be 3(-9) or -27