One-Step equations ADD
a + 3 = 8
5
a - 5 = 4
9
Give me an example of a variable
any letter
5a = 25
5
a/9 = 9
81
x + 8 = 12
4
a - 10 = 13
23
Define inverse operation
The opposite, signs that undo each other
25n = 625
25
a/7 = 4
28
a + 5.3 = 8.2
2.9
a - 56 = 8
64
What is the inverse operation of addition?
Subtraction
18g = 486
27
a/10 = 4
40
a + 2/5 = 1
3/5
a - 1.5 = 15
16.5
Name the 4 operations
addition, subtraction, multiplication, division
1.2y = 144
a/0.35 = 200
70
7/11 + x = 1 & 1/11
5/11
a - 2/3 = 1/2
5/6
What can you do to check your answer when solving?
Plug your answer in
1/3 x = 50
150
b/ 3/5 = 3/7
(FRACTION ANSWER)
5/7