Review - One-Step, One-Variable Equations and Inequalities

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What is a one-step equation?

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A one-step equation is an equation that can be solved in a single step by performing the same operation on both sides to isolate the variable.

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It means that the value of x is less than 5.

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What is the difference between an equation and an inequality?

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An equation states that two expressions are equal, while an inequality shows the relationship between expressions that are not necessarily equal.

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It indicates that x can be -3 or any number greater than -3.

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Draw a number line, place an open circle on 7, and shade to the left.

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It means that x can be any number greater than -2, represented by an open circle at -2 and shading to the right.