Combining Like Terms

1
Algebraic Expressions

• Combining Like Terms

2
Term

• A number, a variable, or the product of numbers
  and variables.

3
Coefficient

• A number that is multiplied by a variable

4
Constant

• A fixed value.
• In Algebra, a constant is a number on its own or
  sometimes a letter such as a, b, or c to stand
  for a fixed number

5
Terms 6, x, 3x, 5x2

• Note x is the same as 1X.

COEFFICIENTS
6
LIKE TERMs 3x and 2x W and w/7 5 and 1.4
UNLIKE TERMS 5x2 and 2x 6a and 6b 3.2 and x
7
Highlight or draw shapes around the like terms

• t/2 5a 3y2 7t x2
• 4z k 4.5y2 2t
• ?a

8
To combine like terms, add or subtract the
coefficients

• 4x 5x ____ 6a 1a ____
• x x x x x a a a a
• x x x x _____ a a a _____

9
Examples

• 4h 8h
• 3t 7t
• -4e 3e
• b -2b
• 7v 3v
• -9h 5 5h 4
• 3a 6 9a 8