Addition
a + 3 = -8
a - 5 = 4
9
5a = 25
5
a/9 = 9
81
Give 5 examples of variables
any 5 letters
x + 8 = 12
4
a - 10 = 13
23
25n = 625
25
a/7 = 4
28
Define inverse operation
The opposite, signs that undo each other
a + 66= 21
-45
a - 56 = 8
64
18g = 486
27
a/10 = 4
40
The inverse operation used to solve an equation is addition, what is the original operation in the equation?
Subtraction
a + 30 = 120
90
a - 15 = 15
30
12y = -144
-12
a/12 = -4
-48
You have ten seconds to name the 4 operations in alphabetical order!
addition, division, multiplication, subtraction
a + 12 = -86
-98
a - 48= 28
76
-8x = 56
-7
b/-12 = -7
84
What can you do to check your answer when solving?
Plug your answer in