Question

чо =200 x +100×X/
300​

Answer 1

Answer:

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Answer 2

$40 = 200x + \frac{100x}{300} \\ \\ 40 = 200x + \frac{x}{3} \\ \pink{multiplying \: \: \: by \: \: \: 3 \: \: \: both \: \: \: sides \: \: \: } \\ \\ 40 \times 3 = 200 \times 3 x+ x \\ \\ 120 = 600x + x \\ \\ 120 = 601x \\ \\ x = \frac{120}{601}$

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