Как решить пример (2/5*x-2 2/3)*15=2
(2/5x -2 2/3) * 15 = 2
2/5x - 2 2/3 = 2/15
2/5x = 2/15 + 2 2/3
2/5x = 2/15 + 2 10/15
2/5x = 2 12/15
2/5x = 42/15
x = 42 / 15 : 2/5
x = 42/15 * 5/2
x = 21/3
x = 7
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(2/5x -2 2/3) * 15 = 2
2/5x - 2 2/3 = 2/15
2/5x = 2/15 + 2 2/3
2/5x = 2/15 + 2 10/15
2/5x = 2 12/15
2/5x = 42/15
x = 42 / 15 : 2/5
x = 42/15 * 5/2
x = 21/3
x = 7