Solving Equations with a variable

x + 9 = 12

• x = 5

• x = 3

• x = 4

• x = 21

2p = 10

• p = 5

• p = 8

• p = 20

• p = 12

7 = n - 6

• n = 1

• n = 5

• n = 13

• n = 42

 $27\ \div k\ =3$  

• k = 9

• k = 6

• k = 24

• k = 30

4s = 20

• s = 16

• s = 5

• s = 24

• s = 6

c - 3 = 11

• c = 8

• c = 33

• c = 9

• c = 14

23 = m + 23

• m = 10

• m = 0

• m = 13

• m = 23

63 = 7t

• t = 5

• t = 56

• t = 9

• t = 70

 $a\ \div8=7$  

• a = 56

• a = 63

• a = 72

• a = 1

10y = 70

• y = 80

• y = 60

• y = 7

• y = 700