Answer:
Only:
B. x=7
D. x=0
Step-by-step explanation:
Substitute the answers in the formula and only 7 and 0 will work.
A)

B)

C)

D)

You were correct, the exact answer is A. The others do not equal 23 besides that one. Good job!
Answer:
16 apples, 20 pears
Step-by-step explanation:
36+4=40
So 40/2= 20 or an even amount of both apples and pears
20-4= 16 ~Original amount of apples
36-16=20 ~Amount of pears
I think the expression that you need is, 4-(2x). Hope it helps!
Y=180-111=69
x=360-123-70-69=98
That's your answer.