Two algebraic expressions that have equal values regardless of which values of the variables are substituted are known as equivalent expressions. Exercise #3: Consider the two expressions shown below: Expression #1: (x+7)+3 Expression #2: x+10 (a) Evaluate both expressions for x = 10 and x=-4. Show your substitutions. (b) What property of real number addition justifies that the two expressions are equivalent? actis

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03-10-2022
Mathematics

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Two algebraic expressions that have equal values regardless of which values of the variables are substituted are known as equivalent expressions. Exercise #3: Consider the two expressions shown below: Expression #1: (x+7)+3 Expression #2: x+10 (a) Evaluate both expressions for x = 10 and x=-4. Show your substitutions. (b) What property of real number addition justifies that the two expressions are equivalent? actis

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