Vocabulary Review
Distributing with Addition
Distributing with Subtraction
Combine Like Terms
Distribute AND Combine Like Terms
100

A letter or symbol that represents an unknown quantity

A variable

100
3(x + 2)
3x + 6
100
4(x - 2)
4x - 8
100

-10w - 50 + 17w + 31

7w - 19

100
4x + 3(x + 9)
7x + 27
200

The property that states a(b + c) = ab + ac

The distributive property

200
10(x + 7)
10x + 70
200
7(x - 4)
7x - 28
200

19a - 6b - 17a - 3b + 9b - 2a

0

200
2(y - 8) + 15
2y - 1
300

The difference between an equation and an expression

Equals sign

300
-2(a + 4)
-2a - 8
300
6(-x - 1)
-6x - 6
300

-21f - 12f + 36 + 18

-15f + 36

300
-3(y - 9) - 4y
-7y + 27
400

Like terms

The terms that contain the same variable

400
(4y + 8)2
8y + 16
400
-3(7a - 12)
-21a + 36
400

-44r - 77q + 20q - 19r

-63r - 57q

400
-2(3f - 8) + 4f -1
-2f + 15
500

A number in front of a variable

A coefficient

500
(4 + 6b)(-1)
-4 - 6b; or -6b - 4
500
(-7y - 4)(-6)
42y + 24
500

53t - 65t + 100r + 17 - 47t

-59t + 100r + 17

500
-8(-2x + 4) - y + 3x
19x - 32 - y
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