one and two-step equations

addition

100

6+c=12

c=6

200

3+c=20

c=17

300

10+y=30

y=20

400

50+a=150

a=100

500

1000+n=10000

n=9000

subtraction

100

a-4=7

a=11

200

c-5=10

c=15

300

c-40=20

c=60

400

g-8=19

g=27

500

20-c=4

c=16

multiplication

100

6n=36

n=6

200

12m=60

m=5

300

100n=1000

n=10

400

10x=1000

x=100

500

2000m=1,000,000

m=500,000

division

100

n/2=8

n=16

200

y/3=4

y=12

300

n/6=4

n=24

400

n/8=3

n=24

500

y/100=2000

y=200000

two-step

100

3y+6=12

y=2

200

6n+7=25

n=3

300

3y+4=22

y=6

400

5n+15=40

n=5

500

60n+60=180

n=2