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04-09-2020
Mathematics

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2x + 3 (x - 10) = 45 ?? A. X =15 B. X=3 C. X=7 D. X=11

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04-09-2020

Answer:

A. x = 15

Step-by-step explanation:

2x + 3 * (x - 10) = 45

2x + 3x - 30 = 45

5x - 30 = 45

5x = 75

x = 15

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