Answer:
C . 2y-x= -6
Step-by-step explanation:
A system of linear equations can have no solution, a unique solution or infinitely many solution.
We say two linear equations has infinitely many solutions when the result is true.
To determine if a system has infinitely many solutions, the coefficient of their respective variables (x and y) would be equal. Also the constant of both equations would be equal.
Given that x - 2y = 6
The coefficient of x is 1, coefficient of y is -2 and constant is 6. The equation with the same attributes is:
C . 2y-x= -6
2y - x = -6
multiply through by -1
x - 2y = 6
It is same as the above
Adding both x - 2y = 6 and 2y-x= -6 gives 0 = 0
