OpenStax, Prealgebra 2e §2.2 Evaluate, Simplify, and Translate Expressions · Exercise 77 · Algebra · Expressions

Evaluate, Simplify, and Translate Expressions · Exercise 77

Explain why “the sum of x and y” is the same as “the sum of y and x,” but “the difference of x and y” is not the same as “the difference of y and x.” Try substituting two random numbers for $x$ and $y$ to help you explain.

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OpenStax, Prealgebra 2e · §2.2 Evaluate, Simplify, and Translate Expressions · Exercise 77

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