Question

Evaluate the expression xy - 4x when x = 2 and y = 7 .

please help im trying to finish my pretest questions .

Answer 1

6

Explanation:

`xy - 4x`

`(x * y) - (4 * x)`

You replace where x to 2 and where y is to 7

`(2 * 7) - (4 * 2)`

`14 - 8 = 6`

Answer 2

the anwer is x=3
Explanation: