Which of the following systems of equations has infinitely many solutions?

A. 4x − 7y = 1; 14y = 8x − 3
B. 8x − 3 = 6y; 12y − 6 = 2x
C. 4x − 5y = 13; 10y = 8x − 26
D. 5y = -x − 5; -2x + 15y = 10

Question

Which of the following systems of equations has infinitely many solutions? 

   A. 4x − 7y = 1; 14y = 8x − 3 
   B. 8x − 3 = 6y; 12y − 6 = 2x 
   C. 4x − 5y = 13; 10y = 8x − 26 
   D. 5y = -x − 5; -2x + 15y = 10

anonymous · Answer

you basically solve each set, use addition/subtraction method, until the numbers on the both sides of the = sign are the same.

c) 8x-10y=26
    -8x+10y=-26
add both together and you get 0=0

anonymous · Answer

@Katlu95 : Wait thats not the right problem C. im confused