Vocab & Properties
Substitution
Combining Like Terms
Solving Equations
Distributing
100
A letter that is used to represent an unknown number.
What is a variable?
100
2X +3, where X = 10
What is 23?
100
8W - 2W
What is 6W?
100
Y - 11 = 14
What is Y = 25?
100
2(X + 1)
What is 2X + 2?
200
Two or more expressions set equal to each other using an equal sign.
What is an equation?
200
8A - 3B, where A = 3, B = 5
What is 9?
200
2 + 3F - F + 16
What is 2F + 18
200
5X - 3 = 22
What is X = 5?
200
- 3(Y - 4)
What is - 3Y + 12
300
Part of an expression that may include a constant, a variable, or both.
What is a term?
300
22 - 7Y - 6 - Y, where Y = 2
What is 0?
300
- 9M - M + 3
What is - 10M + 3?
300
4A + 3 = -5
What is A = - 2?
300
5(2Y - 3) + 15
What is 10Y
400
The property that states that numbers being added or multiplied together may appear in any order (or 'move around'), as follows: a + b = b + a
What is the commutative property?
400
12 + B + 1, where B = -3
What is 10?
400
- 10X + 9Z + 5X +2
What is - 5X + 9z + 2
400
2X / 5 + 4 = 12
What is X = 20?
400
-(x + 2) + 4X
What is 3X - 2?
500
The property that states that numbers being added or multiplied may be grouped in any grouping, as follows: a + (b + c) = (a + b) + c
What is the associative property?
500
(1/2)N - (1/4)N, where N = 32
What is 8?
500
- T + 4C - 5C - 2D + T
What is - C - 2D
500
0 = .6X - 3.6
What is X = 6?
500
(1/3)(6X + 1) + 3X
What is 5X + 1/3?
M
e
n
u