Solving Equations Using Multiplication and Division

What error was made in solving this equation?

• The equation was multiplied by 9 and should have been divided by 9

• The equation was multiplied by 9 and should have been multiplied by 3

• Only one side of the equation was multiplied by 9 and both sides should be multiplied by 9

• Both sides of the equation should be multiplied by 3

What error was made in solving this equation?

• Both sides of the equation should be multiplied by 4

• Both sides of the equation should be divided by 32

• 32 should be divided by 4 not multiplied by 4