Manny says he should multiply the first equation in the system of equations below by 3 and the second equation by 2, then add to eliminate the x-terms. Is there a more effective way to solve this system? Explain your answer.
−2x+y=15
3x+4y=−12
(1 point)
Responses
Yes, a more efficient way is to multiply the first equation by 4, add to eliminate y, then solve for x.
Yes, a more efficient way is to multiply the first equation by 4, add to eliminate y, then solve for x.
Yes, a more efficient way is to multiply the first equation by -4, add to eliminate y, then solve for x.
Yes, a more efficient way is to multiply the first equation by -4, add to eliminate y, then solve for x.
No, there isn't a more efficient way to solve this system.
No, there isn't a more efficient way to solve this system.
Yes, a more efficient way is to multiply the first equation by -4, add to eliminate x, then solve for y.
Yes, a more efficient way is to multiply the first equation by -4, add to eliminate x, then solve for y.