One Step Equations Adding
One Step Equations Subtracting
One Step Equations Adding and Subtracting
Key Concepts
100
m + 1 = 3
m = 2
100
x - 3 = 5
x = 8
100
x - 12 = 2
14
100
What is the opposite of addition?
subtraction
200
y + 9 = 10
y =1
200
y - 10 = 10
y = 20
200
b - 4 = 23
27
200
What is the opposite of multiplication?
division
300
t + 7 = 9
t = 2
300
m - 23 = 123
m = 146
300
c + 45 = 86
41
300
What is the opposite of subtraction?
Addition
400
g + 12 = 45
g = 33
400
f - 5 = 16
f = 21
400
p + 345 = 560
215
400
What is the first step when solving equations?
to identify the operation being used
500
x + 15 = 36
x = 21
500
p - 34= 21
p= 55
500
g - 87 = 11
98
500
What you do to one side, you _________.
have to do to the other side.
(balance it)