Ответ:
5,6 х – 2х – 0,7х + 2,65 = 7
2,9x + 2,65=7
2,9x = 7 - 2,65
2,9x = 4,35
x = 4,35/2,9
x = 435/290 | : 145
x = 3/2
x = 1,5
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Ответ:
5,6 х – 2х – 0,7х + 2,65 = 7
2,9x + 2,65=7
2,9x = 7 - 2,65
2,9x = 4,35
x = 4,35/2,9
x = 435/290 | : 145
x = 3/2
x = 1,5