One Step Equations

Addition Equations

100

x+3=5

x=2

200

b+5=18

b=13

300

12+a=35

a=23

400

128=n+22

n=106

500

35=y+66

y=-31

Subtraction Equations

100

x-5=8

x=13

200

b-30=50

b=80

300

j-24=50

j=74

400

42=v-13

v=55

500

-3=m-2

m=-1

Multiplication Equations

100

5x=10

x=2

200

15=3x

x=5

300

3n=30

n=10

400

54=9f

f=6

500

-8m=-32

m=4

Division Equations

100

x/4=3

x=12

200

n/6=3

n=18

300

40=x/3

x=120

400

4=y/8

y=32

500

-3=k/6

k=-18

Writing equations

100

I started with $18.  I spent some money and had $6 left.  How much money did I spend? 

18+x=6

200

I went running yesterday but didn't record how far I ran.  Today I ran another 5 miles.  My smartwatch says I ran 9 miles total.  How far did I run yesterday? 

x+5=9

300

I earned some money each hour for six hours. Altogether I earned $48.  How much money did I earn each hour? 

6x=48

400

I won some money in a raffle.  I'm sharing the money equally between me and my 2 sisters.  If we each get $30, how much was the original prize? 

x/3=30

500

I had to pay $40 to set up my new phone plan. I also need to pay $55 per month.  If I've paid $205 so far, how many months have I been on my new phone plan? 

40x+55=205