:) Math 7: Test 3

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17

Front

What does it mean for a number to be 'at most 5'?

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A number is 'at most 5' if it is less than or equal to 5.

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-5

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-8

Front

If seven is subtracted from a number and the result is -18, what is the number?

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-11

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What is the definition of a variable in mathematics?

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A variable is a symbol used to represent an unknown value.

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What is the process of solving an equation?

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The process of finding the value of the variable that makes the equation true.

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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 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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