Question

Is - 4x + 5 > 25 true when x is 0? What about when x is 7? What about when x is -7?

Answer 1

Explanation:

when 0: 5 > 25 = false

when 7: -28 + 5 > 25 = -23 > 25 = false

when -7: 28 + 5 > 25 = 33 > 25 = true