(х + 3,6 + х) * 2 = 7х;
2х + 3,6 = 7х : 2,
2х = 3,5х – 3,6,
2х – 3,5х = - 3,6,
- 1,5х = - 3,6,
х = - 3,6 : (- 1,5),
х = 2,4
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Answers & Comments
(х + 3,6 + х) * 2 = 7х;
2х + 3,6 = 7х : 2,
2х = 3,5х – 3,6,
2х – 3,5х = - 3,6,
- 1,5х = - 3,6,
х = - 3,6 : (- 1,5),
х = 2,4