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22.10.2020 •
Mathematics
Order the numbers from least to greatest, 19/2, 9.4, 80
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Ответ:
k = 9
Step-by-step explanation:
Use distributive rule
9(k + 2) = 99
9*k + 9*2 = 99
9k + 18 = 99 {Subtract 8 from both sides}
9k + 18 -18 = 99 - 18
9k = 81 {Divide both sides by 9}
9k/9= 81/9
k = 9