One Step Equations Intro

In the equation

x + 7 = 12

7 is being added to the variable, x.

What is the inverse operation to solve for the missing value without having to guess and check?

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.

  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What would be the best first step to solving the equation by using inverse operations?

x+5=-3

• add 3 to both sides

• subtract 5 from both sides

• add 5 to both sides

• subtract -5 from both sides

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Mathematically, what is the 10 doing to the x?

10x = 90

• Adding 10

• Subtracting 10

• Multiplying 10

• Dividing 10

Solve the following equation
1 + a = 15

• 14
• 16
• 12
• - 16

Find the value of the variable: m - 4 = 12

• 16

• 8

• 48

• 3