Which expression is equivalent to 2 (14x-37+28x+12.2-5y-17.5)? A. 84x-16y-10.6 B. 28x-6y-10.6 C. 42x-8y-5.3 D 84x-16y-5.3

WildCrustacean asked Nov 6, 2023

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Which expression is equivalent to 2 (14x-37+28x+12.2-5y-17.5)?

A. 84x-16y-10.6
B. 28x-6y-10.6
C. 42x-8y-5.3
D 84x-16y-5.3

WildCrustacean asked Nov 6, 2023

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23 votes

Answer:

A. 84x - 16y - 10.6

Step-by-step explanation:

$\sf \rightarrow 2(14x-3y+28x+12.2-5y-17.5)$

$\sf \rightarrow 2 (42x-8y-5.3)$

apply distributive method: a(b + c) = ab + ac

$\sf \rightarrow 2 (42x) -2(8y)-2(5.3)$

$\sf \rightarrow 84x -16y-10.6$

Donavan answered Nov 12, 2023

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