3x+y-2z=22
x+5y+z=4
x=-3z
3(-3z)+y-2z=22
-9z+y-2z=22
-11z+y=22
-3z+5y+z=4
-2z+5y=4
-11z+y=22
-2z+5y=4
-55z+5y=110
--2z+5y=4
----------------------
-53z=106
z=2
-2(2)+5y=4
-4+5y=4
5y=8
y=1.6
x=-3(2)
x=-6
x=-6
y=1.6
z=2
1/9 I think. because the first answer I get is 2/18 which then made I smaller to 1/9 and that was the simplest from I got.
Answer:
3 1/3
Step-by-step explanation:
The answer is 3 1/3 because 7 - 3 2/3 = 3 1/3