adding one step equations
subtracting one step equations
one step equations
multiplying one step equations
dividing one step equations
100

3 + a = 8

5

100

a - 5 = 4

9

100

What's the inverse operation of subtraction?

Addition

100

5a = 25

5

100

a/9 =9


81

200

8 + a = 73

65

200

a - 10 = 13

23

200

In an equation, what are you trying to do to the variable? 

Isolate the variable/ get it by itself

200

25a = 625

25

200


1/7 a=4

28

300

121 + a = 260

139

300

 a - 142 = 380

522

300

x/3=1/4

What would be the first step to solving the equation?

multiply both sides by 3

300

18a = 486

27

300

a/10=4

40

400

1234 + a = 5678

4444

400

 a - 15 = 0

15

400

3=y/2.1

6.3

400

17a = 34

2

400

7/8k=21

24

500

17712 + a = 34987

17275

500

a - 824 = 1248

2072

500

2/6x=3

9

500

8a = 24

500

2/9=4/5m

10/36=5/18