Question

16) If 2x + 7 = -9, what is
the value of 15 - 4x?
​

Answer 1

2x + 7 = -9

2x = -9 - 7

2x = -16

x = -16/2

x = -8

15 - 4x

15 - 4.(-8)

15 + 32

47