Answer:
A) 12.
Step-by-step explanation:
Plug in 12 for x in the given equation:
x/4 + 9 = x
(12)/4 + 9 = 12
Simplify. Remember to follow PEMDAS. First, divide, then add:
(12/4) + 9 = 12
(3) + 9 = 12
12 = 12 (True).
~
Answer:
-36
Step-by-step explanation:
let the number be x
expressing the question mathematically,
x / (-3) = 12 (multiply both sides by -3
x = 12 (-3)
x = -36
5(3 + 6) - 3(12 - 9)
5(9) - 3(3)
45 - 9
36
