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300x + 20 + 5x + 10 -40x2 =​
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300x + 20 + 5x + 10 -40x2 =​

User Oliver Goossens
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1 Answer

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Explanation:


305x + 30 - 80 \\ 305x - 50 \\ 305x = 50 \\ x = (305)/(50) \\ x = (61)/(10)

User Cogicero
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