Equations

• 2

• 3

• 4

• 5

• 3

• 4

• 7

• 4

• 2

• -7

• 7

• -5

• -2

• 6

• 4

• 3

Which of the following is an expression?

• 2x + 5 = 10

• 4 = 2x - 1

• 2x - 5

• 1.5x + 7 = 12

Check every mathematical statement that is considered an equation.

• 7x + 7 = 21

• 1.75x + 6

• 24x - 4

• 3x + 4 = 19

• 3y and 2x

• -7y and 6z

• 3y and -7y

• 2x and -2

• 7h + f

• 7h + 5f

• 8h

• 8f

What is the inverse operation of addition?

• multiplication

• division

• addition

• subtraction

• q = 9

• q = 5

• q = 14

• q = 11