1,4 + x = 0,3*(7,805 + x)
x - 0,3x = 2,3415 - 1,4
0,7x = 0,9415
x = 1,345
Ответ: {1,345}
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1,4 + x = 0,3*(7,805 + x)
x - 0,3x = 2,3415 - 1,4
0,7x = 0,9415
x = 1,345
Ответ: {1,345}