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arina49
@arina49
July 2022
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х + (4,75 - х) + (6,37 - х) + (4,28 - х) = 8,2
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jekadva
Х + (4,75 - х) + (6,37 - х) + (4,28 - х) = 8,2
x+4,75-x+6,37-x+4,28-x=8,2
-2x+15,4=8,2
2x=15,4-8,2
2x=7,2
x=7,2:2
x=3,6
0 votes
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arina49
почему 2 икс
arina49
тут 4 х
jekadva
знаки перед X посмотри ; x-x-x-x=-2x
jekadva
или хочешь меня научить уравнения решать.давай я послушаю
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Answers & Comments
x+4,75-x+6,37-x+4,28-x=8,2
-2x+15,4=8,2
2x=15,4-8,2
2x=7,2
x=7,2:2
x=3,6