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AssignmentMultiple Choice

Writing Expressions

Question 1 • Math 7 B (M12 25/26 S2)

Which expression is equivalent to –4.5 – 6.2y?

Answer
A
–6.2y – 4.5
B
–6.2y + 4.5
C
6.2y – 4.5
D
6.2y + 4.5

Explanation

Reorder the terms in –4.5 – 6.2y as –6.2y – 4.5. Changing the order of terms being added does not change the expression’s value, so choice A, –6.2y – 4.5, is equivalent. The other choices change the sign of at least one term.

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