Solve the equations below and write the algebraic steps. The first one is done for you.

n - 7 = 2

n - 4 = 2

n - 6 = 6

n = 9

n = 6

n = 12

n - 3 = 2

x - 9 = 17

n - 14 = 13

n = 5

x = 26

n = 27

n - 12 = 19

b - 11 = 22

a - 20 = 40

n = 31

b = 33

a = 60

n - 100 = 45

x - 15 = 19

n - 3 = 8

n = 145

x = 34

n = 11