Question

Solve the following system.

3z = 9
-y+2z = 5
4x+3y-z =-8

x=
y=
z=

Answer 1

x = - 2

y = 1

z = 3

Explanation:

z = 9/3

z = 3

-y + 2 (3) = 5

-y +6=5

6-5 = y

y = 1

4x + 3(1) - 3 = - 8

4x + 3 - 3 = -8

x = -8/4

X= - 2