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08-12-2019
Mathematics

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fatemehkorea fatemehkorea

08-12-2019

Answer:

x ≃ 9.71

Step-by-step explanation:

(7x - 11) + (2x - 3) + (5x - 2) = 120

7x + 2x + 5x = 120 + 11 + 3 + 2

14x = 136

x = 136/14

x ≃ 9.71

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