Please dear god help me ).:
Explain, in complete sentences, which method you would use to solve the following system of equations and why you chose that method. Provide the solution to the system.

x - 3y + 4z = -9
2x + y + 3z = 6
x - 4y + 3z = -9

Question

Please dear god help me ).:
Explain, in complete sentences, which method you would use to solve the following system of equations and why you chose that method. Provide the solution to the system.

x - 3y + 4z = -9
2x + y + 3z = 6
x - 4y + 3z = -9

anonymous · Answer

I dont know which chapter that question came from but I'm guessing u are not gonna use the matrix method. so my best bet is use the elimination method

so u first subtract 3rd from 2nd.

giving u x+5y=15. now u need to subtract 3*first with 4* 2nd.

giving you -5x+13y=-51

so u have ur normal 2 variable 2 equations continue using elimination to get x y and z