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Writing Expressions
One Step Equations a+x & a-x
One Step Equations ax & a/x
Two Step Equations
ax+b=c & a/x+b=c
Two Step Equations a(x+b)=c
100

The product of any number and 37

37x

100

x-5=7

x=12

100

x/7=8

x=56

100

56x+3=507

x=9

100

2(x+4)=-8

x=-8

200

The product of any number and 32

32x

200

x+9=14

x=5

200

12x=36

x=3

200

x/6-3=-11

x=-48

200

-2(x-3)=12

x=-3

300

4 more than half a number

4+x/2

300

12-x=-9

x=21

300

-3x=27

x=-9

300

x/5+9=11

x=10

300

4=2(x-3)

x=5

400

6 less than half a number

x/2-6

400

13+x=-19

x=32

400

7/x=-21

x=-3

400

10x+21=951

x=93

400

25=-5(x-1)

x=-4

500

14 less than twice a number

2n-14

500

-4-x=21

x=-25

500

x/-12=-15

x=180

500

96/x-18=-6

x=-6

500

-10=-5(x+13)

x=-11