equation

x = 16

x = 30

x = 161

None of these match my answer

t = 9

t = 7

t = 5

None of these match my answer

x = 8

x = 9

x = 588

x=12

To perform all arithmetic operations

To rearrange the equation until the unknown is by itself

To find the value of the known numbers

To balance the equation without changing anything

Add the same number

Nothing, as long as the equation looks balanced

Make different changes to keep it interesting

Make the exact same change

7

22

8

15

By adding the number to both sides

By multiplying both sides by the number

By dividing both sides by the number

By subtracting the number from both sides

11

21

5

16

By multiplying both sides by the number

By subtracting the number from both sides

By adding the number to both sides

By dividing both sides by the number