Which rational expression would not have any undefined values

B.

For the answer to be undefined, the bottom has to be 0. That’s not possible for b since the bottom is already 5

2(10 - 13x) + 9x = -34x + 6020 - 26x + 9x = -34x + distributive property-17x = -34x + subtraction property (subtracted 20 from both sides)17x = addition property (added 34x to both sides)x = 40/ division property (divided both sides by 17)