Solve the algebraic expressions

x

100

2b=4

b=2

200

3h=30

h=10

300

3c=24

c=8

400

6f=36

f=6

500

4d=52

d=13

x and/or +

100

z+8=8

z=0

200

k+2=25

k=23

300

2f+5

f=2

=9

400

6g+5 =17

g=2

500

5t+2=47

t=9

x and/or -

100

15-h=11

h=4

200

36-r=28

r=8

300

3w-5

w=8

=19

400

5p-2=48

p=10

500

9y-24=21

y=5