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What is the equation to find the remaining cups of sugar Lisa needs for her muffins if she has already added 2 cups out of 7?

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CCSS.HSA.CED.A.3

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CCSS.7.EE.B.4A

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How do you set up the equation to find out how many posters can be printed for $1,000 if the printer charges $250 plus $2 per poster?

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CCSS.7.EE.B.4A

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What mistake did the student make if they did not combine like terms properly on the right side of an equation?

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The student failed to simplify the equation correctly, leading to an incorrect solution.

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CCSS.HSA.REI.A.1

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What mistake did the student make if they did not subtract properly in an equation?

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The student made an error in the subtraction process, affecting the final answer.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is a variable in an equation?

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A symbol (often x or y) that represents an unknown value.

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CCSS.6.EE.A.2B

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What does it mean to combine like terms in an equation?

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It means to simplify expressions by adding or subtracting terms that have the same variable raised to the same power.

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CCSS.7.EE.A.1

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What is the purpose of distributing in algebra?

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To multiply a single term by each term inside a set of parentheses.

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CCSS.7.EE.A.1

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What is the equation for finding the total cost if a printer charges a fixed fee plus a variable cost per item?

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Total Cost = Fixed Fee + (Variable Cost per Item * Number of Items).

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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What is the definition of an equation?

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A mathematical statement that asserts the equality of two expressions.