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one step multiplication
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two step equation
100

3x=9

x=3

100

15/x =5

x=3

100

27+g=50

g=23

100

20-g=5

g=15

100

x/5 +7=-3

x=50

200

6g=36

g=6

200

100/n=50

n=2

200

500+u=1500

u=1000

200

200-g=140

g=60

300

9r=81

r=9

300

50/s=25

s=2

300

1000+q=2500

q=1500

300

1300-p=700

p=600

400

20k=100

k=5

400

25/j=5

j=5

400

b+1700=2000

b=300

400

1500-o=500

o=1000