I think the answer is 8b^3/c^3
Move the decimal places, the answer is 6.7 x 10^6
We want to use elimination to solve
y = 0 (1)
x + y = 40 (2)
Multiply (1) by -1 to eliminate y.
-y = 0 (3)
Add (2) and (3).
x + y + (-y) = 40 + 0
x = 40
Answer: Multiply by -1.
Answer: 42.5
Step-by-step explanation: