Solve the system of equations

Question

6x+y+6z=6

7x-y+5z=7

x-2y-z=0

 

section 3.3. 5

Answer 1

6X + Y +6Z = 6

7X  - Y +5Z = 7

 X - 2Y - Z = 0

 

Add 1 & 2 , Subtract -2 times 2 from 3

 

   13X + 11Z = 13

   -13x -11Z  = -14 

 

 Your equations don't have solutions.