Answer:
6.5
Step-by-step explanation:
as both sides need to be equal 20-7/2
Answer: x = -2y + 3
Explanation: 4x + 8y = 12
Step 1: Add -8y to both sides.
4
x
+
8
y
+
−
8
y
=
12
+
−
8
y
4
x
=
−
8
y
+
12
Step 2: Divide both sides by 4.
4
x
4
=
−
8
y
+
12
4
x
=
−
2
y
+
3
Answer:
3.8
Step-by-step explanation:
solution are in the pics