One-Step equations (+)
a + 3 = 8
5
a - 5 = 4
9
Name the 4 operations
addition, subtraction, multiplication, division
-3+5=
2
-1-4=
-5
What is |-12| ?
12
x + 8 = 12
4
a - 10 = 13
23
Give me an example of a variable
any letter
-7+-7=
-14
5-20=
-15
What is the |56| ?
56
a + 66= 21
-45
a - 56 = -8
48
inverse of subtraction
addition
16+-20=
-4
-23-8=
-31
What is the |-39| ?
39
a + 30 = -120
-150
a - 15 = -25
-10
What we do to _______ side, we do to the __________.
Fill in the blanks
What we do to one side, we do to the other side.
12+-22=
-10
11-19=
-8
|-4|+|6|=
10
a + 12 = -86
-98
a - 48= -100
-52
When solving an equation, what is the goal?
Isolate the variable. (get the variable by itself)
45+-25=
20
-14+-9=
-23
|-100| - 50=
50