Ответ:
1) 2.5
2) -73.9
3) 0
4) 2.4
Пошаговое объяснение:
1) | x | = 2.5
x = 2.5
2) | x | + 77 = 3.1
x = 3.1 - 77
x = -73,9
3) | x | = 0
x = 0
4) | -x | + 4.5 = 6.9
x = 6.9 - 4.5
x = 2.4
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Answers & Comments
Ответ:
1) 2.5
2) -73.9
3) 0
4) 2.4
Пошаговое объяснение:
1) | x | = 2.5
x = 2.5
2) | x | + 77 = 3.1
x = 3.1 - 77
x = -73,9
3) | x | = 0
x = 0
4) | -x | + 4.5 = 6.9
x = 6.9 - 4.5
x = 2.4