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

Question

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

anonymous · Answer

@armyengineer225  im sorry for all of the questions i have only 6 more after this one, ur the one thats helped me most

anonymous · Answer

is it b? i dont know

anonymous · Answer

Infinitely many solutions means that 0 = 0.  So on B, you have 5x-25 = 5x+25.  0 = 50, so that doesn't work.  C comes out to 5x-25 = 5x-25, So 0 = 0.  C is the answer.

anonymous · Answer

oh ok thank you i understand those kind of questions now!