One-Step equations (+)
a + 3 = 8
5
a - 5 = 4
9
Give me an example of a variable
any letter
5a = 25
5
x + 8 = 12
4
a - 10 = 13
23
opposite of subtraction
addition
25n = 625
25
a + 66= 21
-45
a - 56 = 8
64
opposite of division
multiplication
18g = 486
-27
a + 30 = 120
90
a - 15 = 25
40
Name the 4 operations
addition, subtraction, multiplication, division
12y = -144
12
a + 12 = 86
74
a - 48= 100
148
When solving an equation, what is the goal?
Isolate the variable.
56 = 8x
-7