Equations with Variables on Both Sides

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Equations with Variables on Both Sides
VARIABLES ON BOTH SIDES
WITH EQUATIONS
Objective – SWBAT solve equations with
variables on both sides.
How do you solve an equation with variables on both
sides?
Step 1 – Add or subtract the variable from one side of
the equal sign to the other side of the equal
sign
Step 2 – Follow the one-step or two-step equation rules
Practice Problems
1. 4x = 2x + 10
-2x -2x
2x = 10
2
2
x=5
3. 8x – 5 = 3x + 5
-3x
-3x
5x – 5 = 5
+5 +5
5x = 10
5
5
x=2
2. -4x – 18 = 5x
+4x
+4x
-18 = 9x
9
9
x = -2
4. x + 10 = 6x - 45
-6x
-6x
-5x + 10 = -45
-10 -10
-5x = -55
-5
-5
x = 11

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