Equations with One Variable Addition Subtraction

What is the first step to solve the equation?

• Distribute

• Combine Like Terms

• Collect Variables to One Side

• Use Subtraction Property of Equality

4 = 2(x + 3)

x = ?

(Just type the number)

20 = 2 - a

a = ?

(Just type the number)

Solve: 13 = -11 - 4x

x = ?

(Just type the number)

What is the inverse operation of addition?

• Division

• Multiplication

• Addition

• Subtraction

x + 13 = 25

• 15

• 12

• 10

• 11

When you solve one-step equations, you can do anything you want to one side of the equal sign, as long as...

• it is mathematical

• you do the SAME thing to the other side

• solving equations is impossible

• I love Snow Days!

To solve one-step equations, you have to use the ________________ operation.

• Integer

• Inverse

• Additive

• Subtractive

The inverse operation of addition is _______________.

• Division

• Multiplication

• Addition

• Subtraction

What is the correct step to solve for the variable?

• add 5 to both sides

• add 15 to both sides

• subtract 15 from both sides

• subtract 5 from both sides