How do you solve the system 3x - 4y - 2z = 13, 2x + y + 2z = 5, 6x +2y - z = 16?
1 Answer
Jan 26, 2018
Explanation:
Add Eqn (1), (2) to eliminate z
Multiply Eqn (3) by 2 and add to Eqn (2)
Find x & y by solving equations (4) & (5)
Multiply Eqn (4) by 5
Multiply Eqn (5) by 3
Adding Eqns (6) & (7)
Substituting value of x in Eqn (4)
Substituting values of x & y in Eqn (3)