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subtraction
addition
multiplication
division
Double Isle
100

x - 10 = 5 

x = 15 

100

s + 9 = 21

s = 12

100

2x= 24

x =12

100

x / 5 = 12

x= 60

100

When you flip a fraction it is called the ____________________

ex)

3/5 becomes 5/3

reciprocal 

200

x - 11 = 11

x=22

200

x + 3/4 = 1

x = 1/4

200

4w= 72

w= 18

200

x / 10 = 20

x= 200

200

In order to solve a 1 step equation, you must use the ________________ operation 

inverse *opposite*

300

15 = b - 9.5 

b = 24.5

300

x + 24.72 = 25

x= .28

300

2m= 1

m= 1/2

300

g / 3 = 9

g= 27

300

UNDER CONSTRUCTION

-____-

400

x  - 3/5 = 3/5 

x= 6/5 or 1 1/5

400

r + 9 = 5

r = -4

400

1/2x= 36 

x=  72

400

c / 7/8 = 1/5

c= 7/40

400

4(x + 0) = 32

x= 8

500

x - 2/11= 10/11 

x= 12/11 or 1 1/11

500

x + .012 = .1

x= .988

500

3/5x= 15

x=25

500

x / 2/3 = 72

x = 48 

500

2x -1 = 9 

x= 5