Vocabulary
A letter that represents a number.
variable
a2 * a3
a5
4(x + 5)
4x + 20
3 * 42
48
4x - 8 = 16
x = 6
Name the property:
3 + 4 = 4 + 3
commutative property
-5a4 * 2a5
-10a9
-3(2x - 5)
-6x + 15
3 - 9 * 4
-33
x - 15 = -8
x = 7
The number in front of a monomial
coefficient
(2x2y4)2
4x4y8
4x(x - 8)
4x2 -32x
8 * (9 - 7)
16
3x - 6 = 33
x = 13
Name the property:
3(x+2) = 3x+6
distributive property
(3x3y)3
27x9y3
7 - 3(x - 4)
-3x +19
9 + (4 - 8) (7)
-19
15 = 2x - 3
x = 9
Name the property:
3 + (4 + 5) = (3 + 4) + 5
Associative property
(-2x2y)(3xy)
-6x3y2
-2(x + 9) + 3x
x - 18
(2 * 4)2 - 3 * (5 + 3)
40
10 - 4x = -6
x = 4