Notes
adding and subtracting equations
Equations with Integers
equations with multiplication and division
100

What do we call letters that stand for an unknown value?

What is variables

100
x-3=6
What is 9
100

x-7=20

What is 27?

100
5x=20
What is 4
200

The sign that tells you values on both sides are the same.

What is an equal sign?

200
m+7=15
What is 8
200

x+2=15

What is 13

200
r/6=5
What is 30
300

The inverse (opposite) of addition

What is subtraction?

300
x-20=15
What is 35
300
m+25=10
What is -15
300
7y=56
What is 8
400

The inverse (opposite) of multiplication

What is division?

400
x+270=300
What is 30
400
j-26=0
What is 26
400
10r=60
What is 6
500

Another word for opposite operation?

What is inverse?

500
x-65=65
What is 130
500

23 = x - 9

What is 32?

500
m\11=5
What is 55
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