Vocabulary
What is a variable?
A symbol or latter that represents the number.
y + 5 = 11
y=6
x - 8 = 16
x = 24
16 + a =
a = 9
25
13x = 26
x = 2
What is a constant?
A number that does not change.
r + 21 = 32
r =11
g - 5 = 15
g = 20
32 - b =
b = 22
10
16 / b = 2
b = 8
What is an equation?
A mathematical statement with an equal sign
b - 2 = 8
b = 10
6 - j = 2
j = 4
14x =
x = 4
56
24b = 72
b = 3
When you want to move a constant or variable from one side to another, do you have to do the same operation to both sides? True or False?
True
16 + h = 24
h = 8
18 - a = 10
a = 8
81/c =
c = 9
9
64 / x = 4
16
What are inverse operations?
Addition and Subtraction
Multiplication and Division
b + 56 = 112
b = 56
h - 13 = 26
h = 39
13a + a =
a = 3
42
14x - 7 = 7
x = 1