Question

If y = 2x + 4, find x when y = -16.*

Answer 1

Answer:

Step-by-step explanation:

1) substitute given numbers into the equation

-16=2x+4

2) minus 4 from the right hand side to find out what 2x is

-20=2x

3) divide by 2 to find x

-10=x

Answer 2

Answer:

x= -6

Step-by-step explanation:

(-16) = 2x +4

-12 = 2x

x= -6