Question

Solve the system by substitution. y = -4x-4 and y = -8

Answer 1

x
+
y
=
3
x
+
y
=
3
,
2
x
−
8
y
=
19
2
x
-
8
y
=
19
x
+
2
y
=
4
x
+
2
y
=
4
,
x
−
y
=
−
3
x
-
y
=
-
3
x
−
y
=
9
x
-
y
=
9
,
x
+
y
=
6