Vocabulary
To replace or plug in a number for a variable.
What is substitution?
x + 3
7
4j
28
16m
16
2a - 2b
-10
To evaluate an expression.
What is to solve?
2x + 3
11
6 + j
13
10m
10
6a - 4b
-10
The number next to a variable.
What is a coefficient?
5x + 6
26
3j
21
m + 13
14
2a + 10b
110
The number that doesn't change its value.
What is a constant?
3x - 0
12
2j -1
13
2m - 10
-8
a + 4b
45
The expression that has a variable.
What is an Algebraic Expression?
x - 2
2
9j - 2
61
6m + 2
8
5a - 6b