190 likes | 282 Views
In this video, you will learn how to solve one-step equations with multiplication and division, by applying inverse operations to isolate the variable. equation – a mathematical statement that two expressions are equal example: 4 x 5 = 2 x 10 .
E N D
In this video, you will learn how to solve one-step equations with multiplication and division, by applying inverse operations to isolate the variable.
equation – a mathematical statement that two expressions are equal example: 4 x 5 = 2 x 10
equation – a mathematical statement that two expressions are equal example: 4 x 5 = 2 x 10
inverse operation – any operation that undoes another operation • addition and subtraction • multiplication and division
inverse operation – any operation that undoes another operation • addition and subtraction • multiplication and division
inverse operation – any operation that undoes another operation • addition and subtraction • multiplication and division
When a fraction has a numerator and a denominator of the same value, the fraction is equal to 1.
1. Determine which operation will help you isolate the variable. • 2. Apply the operation to both sides of the equation. • 3. Verify that you are correct by substituting your solution for the variable. Solving a One-Step Equation(Goal: Get the variable by itself.)
1. Determine which operation will help you isolate the variable. • 2. Apply the operation to both sides of the equation. • 3. Verify that you are correct by substituting your solution for the variable. Solving a One-Step Equation(Goal: Get the variable by itself.)
1. Determine which operation will help you isolate the variable. • 2. Apply the operation to both sides of the equation. • 3. Verify that you are correct by substituting your solution for the variable. Solving a One-Step Equation(Goal: Get the variable by itself.)
40 = 5z Solve the equation to find the value of z.
40 = 5z Prove that your answer is correct. (Verify that z = 8.)
= 2 Solve the equation to find the value of n.
= 2 Prove that your answer is correct. (Verify that n = 12.)
In this video, you learned how to solve one-step equations with multiplication and division, by applying inverse operations to isolate the variable.