1.
х + (а - 25) = 36,
при х = 18:
18 + (а - 25) = 36,
а - 25 = 36 - 18,
а - 25 = 18,
а = 18 + 25,
а = 43,
2.
(25 + x) * 36 = 1080,
25 + х = 1080 : 36,
25 + х = 30,
х = 30 - 25,
х = 5
Ответ:
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Answers & Comments
1.
х + (а - 25) = 36,
при х = 18:
18 + (а - 25) = 36,
а - 25 = 36 - 18,
а - 25 = 18,
а = 18 + 25,
а = 43,
2.
(25 + x) * 36 = 1080,
25 + х = 1080 : 36,
25 + х = 30,
х = 30 - 25,
х = 5
Ответ:
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