Solve Subtraction Equations

Solve Subtraction Equations

TEK 6.10A

Solving Equations

• Our goal is to get the variable by itself on one side of the equation.

• Use the inverse (opposite) operation.

• What ever you do to one side of the equation, you need to also do to the other side.

Multiple Choice

Solve for x.

x + 12 = 20

• x = 8

• x = -32

• x = 32

• x = -8

Multiple Choice

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

• Integer
• Inverse
• Additive
• Subtractive

Multiple Choice

In an equation, you want to get the variable...

• on one side
• to disappear
• by itself
• to sing and dance

15 = x - 2

Solve for x

Multiple Choice

What is the correct step to solve for the variable?
15 = m - 5

• add 5 to both sides
• add 15 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

x - 7 = 4

Solve for x. Check your solution.

Multiple Choice

x - 12 = 2

• 24

• 10

• 20

• 14

Multiple Choice

What is the inverse operation needed to solve the following problem?
x - 19 = 325

• Addition 
• Subtraction
• Multiplication
• Division

Poll

How do you feel about solving equations?

• I get it!

• I kind of get it. I understand more now than I did yesterday.

• I do not understand.