Solving Linear Equations and Clearing Fractions

Mr. Cozzi presents an algebra lesson from Atascocita, Texas, focusing on solving equations. The lesson covers essential math skills, the definition of equations, and the golden rule of algebra. It includes examples of solving simple equations, clearing fractions, and handling equations with parentheses. The video concludes with a recap and contact information for further questions.

Why is it important to know math facts, vocabulary, fractions, and exponents before learning algebra?

• They are only needed for geometry.

• They are only needed for calculus.

• They are not necessary for algebra.

• They help in understanding complex equations.

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CCSS.HSA.REI.A.1

What is an equation?

• A mathematical statement with an equal sign.

• A number without any variables.

• A statement with only addition.

• A statement with only subtraction.

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CCSS.6.EE.A.2C

What is the golden rule of algebra?

• You can only multiply both sides of an equation.

• You can only add to both sides of an equation.

• You can only subtract from both sides of an equation.

• You can do anything to an equation as long as you do it to both sides.

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CCSS.6.EE.B.7

What is the goal when solving the equation X + 1 = 5?

• To isolate X.

• To add more variables.

• To make the equation more complex.

• To eliminate the equal sign.

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CCSS.6.EE.B.7

In the equation 4x + 5 = 17, what is the first step to isolate X?

• Add 5 to both sides.

• Subtract 5 from both sides.

• Divide both sides by 4.

• Multiply both sides by 4.

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CCSS.7.EE.B.4A

Why is clearing fractions a valuable tool in algebra?

• It is only useful in calculus.

• It makes the equation more complex.

• It is not useful at all.

• It simplifies the equation.

What is the lowest common multiple of 2 and 3?

• 6

• 12

• 2

• 3

When solving an equation with parentheses, what is the first step?

• Ignore the parentheses.

• Distribute the number outside the parentheses.

• Add the numbers inside the parentheses.

• Subtract the numbers inside the parentheses.

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CCSS.8.EE.C.7B

In the equation 2x - 6 = x - 5, what is the next step after distributing the 2?

• Subtract x from both sides.

• Add x to both sides.

• Multiply both sides by 2.

• Divide both sides by 2.

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CCSS.8.EE.C.7B

What should you do if you have any questions about the lesson?

• Send an email to Mr. Cozzi.

• Ignore the questions.

• Ask a friend.

• Search online.

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CCSS.RI.6.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5