2 step equations

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What is a two-step equation?

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A two-step equation is an algebraic equation that requires two operations to solve for the variable. It typically involves addition or subtraction followed by multiplication or division.

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Add 5 to both sides of the equation.

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What does it mean for a number to be a solution of an equation?

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A number is a solution of an equation if, when substituted for the variable, it makes the equation true.

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Yes, because substituting 2 for x gives 2 + 3 = 5, which is not true.

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Divide both sides by 2 after subtracting 4 from both sides.

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What is the purpose of isolating the variable in an equation?

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Isolating the variable allows us to find its value by getting it alone on one side of the equation.