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