-3x+y+z=-1, 2x+y-z=-4, x-y+z=7 getting sums -x+2y=-5, 3x=3, from the second we can easily see: x=1, which makes -x+2y=-5 become: -1+2y=-5, 2y=-4, y=-2, making x-y+z=7 become: 1--2+z=7 1+2+z=7, z=4 So the solution to the system of equations is: (1,-2,4)
Answer from: Quest
d
step-by-step explanation:
d
Answer from: Quest
25
step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 17:30
How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )
No commitments. Cancel anytime. All pricing is in US dollars (USD). The subscriptoin renews automaticaly until you cancel. For more information read our Terms of use & Privacy Policy