Answer:
Solve the system of equations by graphing, elimination or
subod
Step-by-step explanation:
Can u take a picture please?
By substitution,
1.5x - 6 = -4.5x + 21
6x = 27
x = 4.5
Hence, y = 1.5(4.5) - 6 = 0.75
Nail polish individually is worth about 1.66 dollars.
