Problemas
Solve the system using the supstitution or elimination method ) 2x-6y=-9 -3x+9y=12 How many solutions are there to this system? A. None B. Exactly 1 C. Exactly 2 D. Exactly 3 E. Infinitely many F. None of the above If there is one solution, give its coordinates in the answer spaces below. If there are infinitely many solutions, enter x in the answer blank for a and enter a formula for y in terms of x in the answer blank for y. If there are no solutions, leave the answer blanks for x and y empty. x=square (i) y=square (i)
Roztwór
Iván
veterano · Tutor durante 12 años
4.4
(144 Votos)
Respuesta
To solve the system of equations, we can use the elimination method. First, let's multiply the first equation by 3 and the second equation by 2 to make the coefficients of x in both equations equal:
Now, we can add the two equations together to eliminate x:
This simplifies to:
Since this equation is not possible, there are no solutions to the system of equations.Therefore, the answer is A. None.