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Adding and Subtracting Expressions

Question 1 • SS-Math 7

Evaluate the following expressions for x = 2.–9.2(4 – x) –9.2(4 – (2))–9.2(2)

Answer
A
-55.2
B
-18.4
C
18.2
D
55.2

Explanation

Substitute x = 2 into −9.2(4 − x): −9.2(4 − 2) = −9.2(2). Multiplying gives −18.4, so the correct choice is −18.4.

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