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Combining Like Terms
Vocabulary
ConstantA number with nothing else attached to it.
Examples: 1, 2, 47, 925
Vocabulary
Variable
A letter that represents an unknown number.
Examples: a, b, x, y
Vocabulary
ConstantA constant is the number with nothing else
attached to it.
Example: 1, 2, 47, 925
Vocabulary
Coefficient
The number in front of the variable.
Examples: 3x 3 is the coefficient
-2x -2 is the coefficient
Vocabulary
Exponent The number “on top” of the variable.
Example: x³ 3 is the exponent
Vocabulary
Simplify Rewrite an expression as simply as possible.
Reducing to lowest terms.
5 + 3
8
5 cats + 3 cats
8 cats
5 boxes + 3 boxes
8 boxes
5 pillows + 3 pillows
8 pillows
5a + 3a
8a
5b + 3b
8b
5c + 3c
8c
5 cats + 3 dogs
5 cats + 3 dogs
5 apples + 3 oranges
5 apples + 3 oranges
5 + 3
8
5 + 3
8
5 + 3
8
12r – 8 – 12
12r –8 –12
12r –8 –12
12r – 20