Answer:
13A. 14, 48, 50
13B. both mulitpled by 2?
13C. 56, 125
14. Yes
Step-by-step explanation:
I think that the answer is A
function a is faster
3
2x + 3 = -x + 12
subtract 3 from both sides
2x = - x + 9
add x to both sides
3x = 9
divide by 3
x = 3