Solving One Step and Two Step Equations

One-Step +/-

100

 x + 5 =9 

x=4

200

w - 11 = 4

w=15

300

-5 = t - 9

t=4

400

-49 + n = 63

n=112

500

5 - x = 13

x = -8

One-Step * and /

100

 6x = 42

x = 7

200

y/3 = 8

y = 24

300

8c = 72

c = 9

400

x/10 = 7

x = 70

500

132 = 12y

y=11

Two-Step Equations

100

3n + 1 = 13

n = 4

200

2x - 3 = 9

x=6

300

3y -4 =14

y=6

400

40 = 5x - 5

x = 9

500

4m - 48 = 36 

m = 21

Two Step Equations

100

4p - 7 = 17

p = 6

200

4x + 22 = 26

x=1

300

4m + 5 = 25

m = 5

400

x/4 - 8 = 2

x = 40

500

25+x/4=26

What is x=4?