3x - y = 7
6x - y = 10
When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated?
A)
9x - 2y = 17
B)
-3y = 24
C)
-3x = -3
D)
9x = 17

Question

3x - y = 7
6x - y = 10
 When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated?
A)
9x - 2y = 17	
B)
-3y = 24	
C)
-3x = -3	
D)
9x = 17

jhonyy9 · Answer

C. is right but can being right 3x=3 too so this is in case than multiplie first equation by -1 and assum it with second 

hope this will help you