Solving One-Step Equations: Multiplication and Division Techniques

This video tutorial covers solving one-step equations in algebra, focusing on addition, subtraction, multiplication, and division. It explains the properties of equality and the importance of inverse operations. The tutorial also highlights the rule against division by zero and provides practice problems to reinforce the concepts.

What is the main focus of this lesson?

• Solving one-step equations involving addition and subtraction

• Solving one-step equations involving multiplication and division

• Solving multi-step equations

• Solving quadratic equations

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CCSS.7.EE.B.4A

What must you do to isolate a variable when it is being multiplied by a number?

• Add the same number to both sides

• Divide both sides by the same number

• Subtract the same number from both sides

• Multiply both sides by the same number

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CCSS.HSA.REI.A.1

Which property states that if you add the same number to both sides of an equation, the equation remains true?

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

• Addition Property of Equality

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CCSS.HSA.REI.A.1

What is the result of dividing any number by zero?

• The same number

• Undefined

• Zero

• One

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CCSS.5.NF.B.5B

If 60 divided by X equals 1, what is the value of X?

• 1

• 30

• 60

• 120

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CCSS.6.EE.B.7

If K divided by 9 equals 3, what is the value of K?

• 3

• 9

• 18

• 27

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CCSS.3.OA.B.6

What is the reciprocal of 3/4?

• 1/4

• 1/3

• 4/3

• 3/4

If 8y equals 24, what is the value of y?

• 6

• 4

• 3

• 2

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CCSS.6.EE.B.7

If a rectangular pool has an area of 140 square feet and the length is 16 feet, what is the width?

• 8.25 feet

• 8.5 feet

• 9 feet

• 8.75 feet

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CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the value of M if -20 equals 1/5 times M?

• -100

• -20

• 100

• 20

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CCSS.6.EE.B.7