Make the denominators equal by multiplying them:

Subtract:

Simplify:

The answer is

or 0.16
Answer:
c
Step-by-step explanation:
Answer:
w = ⇒ 21
x = ⇒ 13
y = ⇒ -11
z = ⇒ -16
Step-by-step explanation:
Answer:
400 guitars
Step-by-step explanation:
200+200=400