Answer:
8 i think
Step-by-step explanation:
Subtract
2
y
from both sides of the equation.
x
=
−
2
y
+
8
−
x
−
2
y
=
8
Replace all occurrences of
x
with the solution found by solving the last equation for
x
. In this case, the value substituted is
−
2
y
+
8
.
x
=
−
2
y
+
8
−
(
−
2
y
+
8
)
−
2
y
=
8
