One-Step equations (+)
a + 3 = 8
5
a - 5 = 4
9
Give me an example of a variable
any letter
x + 8 = 12
4
a - 10 = 13
23
inverse of subtraction
addition
a + 66= 21
-45
a - 56 = -8
48
inverse of division
multiplication
a + 30 = -120
-150
a - 15 = -25
-10
Name the 4 operations
addition, subtraction, multiplication, division
a + 12 = -86
-98
a - 48= -100
-52
When solving an equation, what is the goal?
Isolate the variable.