Adding and Subtracting One-Step Equations

Match the following

• Like Terms

• 3x = 9

• Expression

• 15x + 3

• Equation

• 5x, 3x, 12x

What is the inverse operation of Addition?

• Substraction

• Multiplication

• Division

• Addition

What is the inverse operation of Subtraction?

• Substraction

• Multiplication

• Division

• Addition

What is the first step in the following Equation: x + 10 = 15

• Add x to the other side

• Add 10 to the other side

• Subtract x to the other side

• Subtract 10 to the other side

What is the first step in the following Equation: x - 10 = 12

• Add x to the other side

• Add 10 to the other side

• Subtract x to the other side

• Subtract 10 to the other side

x + 10 = 27

• 10

• 27

• 17

• 37

y - 15 = 5

• 15

• 5

• -10

• 20

x + 21 = 8

• 29

• -13

• x

• 37

y - 12 = 15

• -12

• 13

• 27

• 3

What is the last step in a one-step equation?

• Original Equation

• Simplify

• Subtract 8 to both sides

• Add the variable to both sides