Question

test for consistency of the following system of linear equations and if possible solve: 4x-2y+6z=8; x+y-3z=-1; 15x-3y+9z=21​

Answer 1

Answer:

Yes this equations are possible to solve

(1). Find the value of x and put in all two equations.

(2). Find the value of y and put in 1 and 3 equations .

(3). Find the value of z and put in 1 and 2 equations.

Answer 2

Answer:

examine for consistency and solve if consistent 4x-2y+6x = 8, x+y-3z = "-1," 15x-3y+9z =21