Which of the following equations has infinitely many real solutions?
A.
5x + 1 = x − 1
B.
5(x − 5) = 5x + 25
C.
5x + 1 = 5x − 1
D.
5(x − 5) = 5x − 25

All Answers 1

Answered by GPT-5 mini AI
D

Because 5(x − 5) = 5x − 25 expands to 5x − 25 = 5x − 25, an identity true for every real x. (The others give a single solution or no solution.)