Equations

To solve the equation x+4=4 first you need to

• add 4

• subtract 4

• Multiply by 4

• Divide by 4

To solve the equation x/7=21 first you need to

• add 7

• subtract 7

• Multiply by 7

• Divide by 7

To solve the equation 7 - x = 21 first you need to

• add 7

• subtract 7

• Multiply by 7

• Divide by 7

To solve the equation x - 7 = 21 first you need to

• add 7

• subtract 7

• Multiply by 7

• Divide by 7

To solve the equation -x = 21 first you need to

• add 1

• subtract 1

• Multiply by -1

• Divide by -1

To solve the equation 6 - 4x = 20 can be simplified to:

• -4x = 14

• 4x = 14

• 6 - x = 14

• 6 - x = 26

The equation -6 - 2x = 20 can be simplified to:

• -2x = 26

• 2x = 26

• 6 - x = 22

• 6 - = 18

The equation 6 - 2x = -20 can be simplified to:

• -2x = 26

• -2x = - 26

• 6 - x = 22

• 6 - = 18

To solve the equation 4 + x = 4 first you need to:

• add 4

• subtract 4

• multiply by 4

• divide by 4

To solve the equation x/7 - 7 = 21 first you need to:

• add 7

• subtract 7

• multiply by 7

• divide by 7