Answer:
What is the question?
Step-by-step explanation:
C.
Solve for x by simplifying both sides of the equation, then isolating the variable.
x = 77, -77
Answer: the original price was $60! <3
Step-by-step explanation:
Just substitute the value x into the equation y=2x
y = 2x
y = 2(-1)
y = -2
use the same method for the rest