puremagic55 puremagic55

09-09-2020
Mathematics

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9(1 – 2x) = 3(x + 1)

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Аноним Аноним

09-09-2020

Answer:

9(1-2x) = 3(x +1)

9 - 18x = 3x + 3

9+9-18x = 3x + 3 + 9

-18x = 3x +11

-18x -3x = 3x - 3x + 11

-21x= 11

-21x/-21 = 11/-21

x = 11/-21

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