Answer:
25x^2 - 16y^2 - 400 = 0
Step-by-step explanation:
Answer:
x+2y=0
Step-by-step explanation:
Divide both sides by -2
two negatives make a positive and that's true so x = 16/2 so divide it
x = 8 because 2 x 8 = 16 and 2/16 = 8 so true.
Answer: x = 8.
Answer:
6s - 54
Step-by-step explanation: