# How do you solve this system of equations: #6x + y = 7, y + z = 2 , and 4x - z = 4#?

##### 2 Answers

Jun 29, 2018

#### Answer:

#### Explanation:

Substituting the value of z in terms of x in Eqn (2),

Subtracting Eqn (4) from (1),

Substituting value of x in Eqn (3),

Substituting value of z in Eqn (2),

Jun 29, 2018

#### Answer:

#### Explanation:

Hence,

Thus,