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One-Step Equations

Gable C Rhoads

Created on October 7, 2025

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Transcript

Solving One-Step Equations

Objectives

  • Solve equations involving addition and subtraction
  • Solve equations involving multiplication and division

Start

Zoom Poll

x - 3 = 11

A. x = -14

B. x = 14

C. x = 8

Next

Zoom Poll

4x = 32

A. x = -14

B. x = 14

C. x = 8

Next

Equation

States two expressions are equal

In order to solve equations, we use

Inverse Operations

Operations that "undo" each other Multiplication and Division Addition and Subtraction

Solution

A value for the variable that makes the equation true.

Next

Look!

x - 3 = 11

x + 7 = 11

Next

Look!

4x = 32

Next

Properties of Equality

Addition Property of Equality

Adding the same value to each side of an equation does not change the relationship between the two expressions.

Subtraction Property of Equality

Subtracting the same value to each side of an equation does not change the relationship between the two expressions.

Multiplication Property of Equality

Multiplying each side of the equation by the same value does not change the relationship between the two expressions.

Division Property of Equality

Dividing each side of the equation by the same value does not change the relationship between the two expressions.

Next

Look!

Next

Zoom Poll

If a question is given in fraction form, state your answer in fraction form.

A. k = -1

B. k = -7/3

C. k = 7/3

Next

Zoom Poll

Multiplyby the reciprocal!

A. m = -16

B. m = 16

C. x = -9

Next

The temperature at 5 A.M was −5°F.During the morning, the temperature increased. At 10 A.M, the temperature was 20°F. How many degrees did the temperature rise?

Next