Game behind human comprehension

one-step equation

100

solve for x:

x+9=10

x=1

200

solve for x: 

x-3=4

x=7

300

Solve for x: 

x+6=2

x=-4

400

solve for x:

x/2=7

x=14

500

solve for y: 

4y=2

y=1/2

two-step equation

100

solve for y:

2y-7=11

y=9

200

solve for q:

4q+12=40

q=7

300

solve for x:

2x+6=2

x=-2

400

solve for x:

x/2+10=21

x=22

500

solve for m:

m/3-2=10

m=36

one-step equation

100

solve for L:

L+10=35

L=25

200

solve for p:

 p-12=24

p=36

300

solve for W:

W+10=6

w=-4

400

solve for S:

5S=30

S=6

500

solve for A:

A/6=-7

A=-42

two-step equation

100

solve for b:

2b-7=9

b=8

200

solve for x:

2x+2=6

x=2

300

solve for p:

4p+40=12

p=-7

400

solve for y:

y/2+21=10

y=-22

500

solve for n:

n/3+10=2

n=-24

Surprise

100

solve for x:

x-3=-7

x=-4

200

Solve for x:

 5x+10+15x=110

x=5

300

solve for x:

8x/5=16

x=10

400

solve for q:

1/7q=3.8

q=26.6

500

solve for m (simplified your answer): 

4m+8=30 

m=11/2 or 5.5