Solving Equations and Variables

In this video, Brian McLogan guides viewers through solving literal equations using 26 examples. The tutorial covers various types of equations, including linear and rational, and emphasizes the importance of isolating variables using inverse operations. The video also addresses common student challenges and provides strategies for handling fractions and rearranging formulas. By the end, viewers should feel more confident in solving literal equations independently.

What is the primary goal when solving a literal equation?

• To convert it into a quadratic equation

• To isolate the variable of interest

• To eliminate all variables

• To find the numerical value of all variables

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CCSS.HSA.CED.A.4

In the context of literal equations, what does it mean to 'isolate' a variable?

• To solve for its numerical value

• To remove it from the equation

• To express it as a function of other variables

• To set it equal to zero

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CCSS.HSA.REI.A.1

When solving for a variable, what operation should be used to undo addition?

• Multiplication

• Division

• Exponentiation

• Subtraction

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CCSS.HSA.REI.A.1

What is the inverse operation of multiplication when solving equations?

• Division

• Exponentiation

• Subtraction

• Addition

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CCSS.6.EE.B.7

How do you handle a fraction when solving for a variable?

• Divide by the fraction

• Add the fraction to both sides

• Multiply by the fraction

• Multiply by the reciprocal of the fraction

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CCSS.7.NS.A.2A

When dealing with fractions in equations, what is a common mistake students make?

• Using the wrong denominator

• Adding fractions instead of multiplying

• Forgetting to multiply by the reciprocal

• Ignoring the fraction altogether

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CCSS.8.EE.C.7B

What is the first step when solving an equation with parentheses?

• Add all terms inside the parentheses

• Distribute the terms outside the parentheses

• Factor out the greatest common factor

• Combine like terms

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CCSS.6.EE.A.3

What is the purpose of using the distributive property in equations?

• To simplify expressions

• To eliminate fractions

• To combine like terms

• To factor out common factors

What technique can be used to solve equations with variables on both sides?

• Dividing by the variable

• Cross multiplication

• Adding the variables together

• Subtracting the variables from both sides

What should you do if you encounter an equation with variables on both sides?

• Move all variables to one side

• Add the variables together

• Ignore one side of the equation

• Multiply both sides by zero