2 Step Equations and Word Problems

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What is a two-step equation?

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How do you isolate a variable in a two-step equation?

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To isolate a variable, perform the inverse operations in reverse order. First, eliminate the constant term, then divide or multiply to solve for the variable.

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Translate the phrase: 'Five less than twice a number is 11' into an equation.

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What does 'the quotient of a number and 5 is decreased by 7' mean in equation form?

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Write an expression for the cost of one person's meal if Mike and 2 friends had dinner costing $53.50 with an $8.50 tip.

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What is the definition of a variable in algebra?

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A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

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What does it mean to 'translate' a word problem into an equation?

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Translating a word problem involves converting the words into mathematical symbols and expressions that represent the relationships described.