Help please??? I don't remember how to do this.
Solve x + y + z = 12
2x – y – z = -6
x + 3y + 5z = 44

(4, 3, 5)

no solutions

(2, 4, -6)

(2, 4, 6)

Question

Help please??? I don't remember how to do this.
Solve x + y + z = 12
 2x – y – z = -6
x + 3y + 5z = 44

(4, 3, 5)

no solutions

(2, 4, -6)

(2, 4, 6)

misty1212 · Answer

HI!!

plasmataco · Answer

the bottem one.

misty1212 · Answer

there are a couple methods for doing this, all boring donkey work
let the machine do it

plasmataco · Answer

(2,4,6)

solomonzelman · Answer

I would do sub for the first variable.
Matrix is also a way

misty1212 · Answer

plasmataco · Answer

add the top row with the middle row.

solomonzelman · Answer

let the robot/comp tie your laces for you-:(