Автор - Ggg105

Решите уравнение: x-2/5 = 2/3 - 3x-2/6
/ - это дробь.

Ответ

Автор - VasiaZozulia
x-2/5 = 2/3 - 3x - 2/6
x + 3x = 2/3 - 2/6 + 2/5
4x = (2*10 - 2*5 + 2*6)/30
4x = (20 - 10 + 12)/ 30
4x = 22/30
x = 22/30 : 4
x = 22/30 * 1/4
x = 11/60

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