ALG 1 midterm(simple)

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Add 8.

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Using the 'opposite operation' to 'undo' and isolate the variable when solving an equation is more commonly called...

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Inverse operations.

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x = 8.

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Find the 10th term in the sequence that starts with 1 and has a common difference of 3.

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28.

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x = -4.

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What is the definition of an equation?

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An equation is a mathematical statement that asserts the equality of two expressions.

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What does it mean to isolate a variable in an equation?

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To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

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What are inverse operations?

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Inverse operations are pairs of operations that undo each other, such as addition and subtraction or multiplication and division.

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What is the common difference in an arithmetic sequence?

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The common difference is the amount added or subtracted from one term to get to the next term in the sequence.

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