1. Subtracting Expressions
Adding & Subtracting Expressions
Adding Expressions
Subtracting Expressions
(5x + 3) + (2x + 7)
(−4x – 1) + (6x – 8)
(5x + 3) − (2x + 7)
(−4x – 1) − (6x – 8)
Set problem up vertically, lining up like terms.
Set problem up vertically, lining up like terms.
5x + 3
+ 2x +7
−4x – 1
+ 6x – 8
5x + 3
− 2x +7
−4x – 1
− 6x – 8
Isolate each column individually, adding the terms, following rules for signed numbers.
Isolate each column individually, subtracting the terms, following rules for signed numbers. 5x
+ 2x
−4x – 1
+ 6x – 8 5x
− 2x
−4x – 1
− 6x – 8 7x
+10 2x
− 9 3x −4
−10x +7
Put the terms together into one expression.
Put the terms together into one expression.
7x + 10
2x – 9
3x − 4
−10x + 7

2. Subtracting Expressions
Adding & Subtracting Expressions
Adding Expressions
Subtracting Expressions

3. Adding & Subtracting Expressions Practice
(14x – 5) + (6x – 4)
(−x – 3) + (4x – 7)
(10x +2) – (x – 10)
2(x + 8) – 4(−x + 3)
(7x + 11) + (−12x + 6)
(−3x – 5) + (16x + 8)
(8x – 7) – (6x + 10)
9(3x + 8) + 4(−2x + 5)
(16x – 5) – (16x + 5)
(x + 2) + (x – 2)
(14x – 5) – (6x – 4)
(−x – 3) – (4x – 7)
(10x +2) + (x – 10)
2(x + 8) + 4(−x + 3)
(7x + 11) − (−12x + 6)
(−3x – 5) − (16x + 8)
(8x – 7) + (6x + 10)
9(3x + 8) − 4(−2x + 5)
(16x – 5) +(16x + 5)
(x + 2) − (x – 2)