Answer:
First solve for
z
using the third equation
z
=
75
5
=
15
Now that we know
z
, we can plug it into the second equation and solve for
x
15
x
+
2
(
15
)
=
−
195
15
x
=
−
225
x
=
−
15
Now we can find
y
using the values of
x
and
z
and plugging them into the first equation
Step-by-step explanation:
haha