Решить уравнение:
1) 0.12 - 2.5х = 0.8
2) 4.8х - 0.3 = 4.2 * (0.5)
Плиз решите побыстрей!!!!!
1)
-2.5x=0.8-0.12
-2.5x=0.68
x=-0.272
2)
4.8x-0.3=2.1
4.8x=2.4
x=0.5
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Answers & Comments
1)
-2.5x=0.8-0.12
-2.5x=0.68
x=-0.272
2)
4.8x-0.3=2.1
4.8x=2.4
x=0.5