# How do you solve the system of equations algebraically #7x+5y+z=0, -x+3y+2z=16, x-6y-z=-18#?

##### 2 Answers

**Solution**

#### Explanation:

Putting

equation (5) by

equation (4) from equation (6) we get

Putting

equation (7) by

equation (8) from equation (9) we get

Putting

#### Explanation:

Adding third equation to first one,

Adding 2 times of third one to second one,

Substracting 8 times of

Hence,

Thus,