239,806 views
38 votes
38 votes
What does 2x+2y=7 equal to

User Ashly
by
2.3k points

1 Answer

12 votes
12 votes
Let's solve for x.
2
x
+
2
y
=
7
Step 1: Add -2y to both sides.
2
x
+
2
y
+

2
y
=
7
+

2
y
2
x
=

2
y
+
7
Step 2: Divide both sides by 2.
2
x
2
=

2
y
+
7
2
x
=

y
+
7
2



Let's solve for y.
2
x
+
2
y
=
7
Step 1: Add -2x to both sides.
2
x
+
2
y
+

2
x
=
7
+

2
x
2
y
=

2
x
+
7
Step 2: Divide both sides by 2.
2
y
2
=

2
x
+
7
2
y
=

x
+
7
2
Answer:
y
=

x
+
7
2

User Pumpkin C
by
2.3k points