15 3/8 : (2 3/4x + 5 5/6) - 1 1/2 = 3/4

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Математика

Харитина

5 августа, 10:16

15 3/8 : (2 3/4x + 5 5/6) - 1 1/2 = 3/4

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Дуняха · Answer 1

15 3/8 : (2 3/4x + 5 5/6) - 1 1/2 = 3/4

15 3/8 : (2 3/4x + 5 5/6) = 3/4 + 1 2/4

2 3/4x + 5 5/6 = 15 3/8 : 2 1/4

2 3/4x + 5 5/6 = 123/8 : 9/4

2 3/4x = 123/18 - 5 15/18

2 3/4x = 6 15/18 - 5 15/18

2 3/4x = 1

x = 1 : (11/4)

x = 4/11