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Pearson Algebra 1 Common Core, 2011 View details

1. Variables and Expressions

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Exercise 10 Page 7

What operation does minus represent?

y-12

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We are asked to write an algebraic expression for the given verbal expression. The key phrase is ... minus ... This indicates that we should subtract one term from the other. ... - ... The two terms of the subtraction are y and 12. Since the verbal expression y minus 12 indicates that we are decreasing an arbitrary number y by a number 12, the term y should be on the left-hand side of the subtraction. $y$ & minus 12 & y - 12 Note that this is only one of multiple ways to algebraically express the given verbal expression.