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Bykido
@Bykido
July 2022
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Докажите,что уравнение 6(1.2x-0.5)
-3(2.7x-1)=5-0.9x не имеет корней
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zhenyaM2002
Verified answer
6(1.2x - 0.5) - 3(2.7x - 1) = 5 - 0.9x
7.2x - 3 - 8.1x + 3 = 5 - 0.9x
-0.9x = 5 - 0.9x
-0.9x + 0.9x = 5
0 ≠ 5 ⇒ уравнение не имеет корней.
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Answers & Comments
Verified answer
6(1.2x - 0.5) - 3(2.7x - 1) = 5 - 0.9x7.2x - 3 - 8.1x + 3 = 5 - 0.9x
-0.9x = 5 - 0.9x
-0.9x + 0.9x = 5
0 ≠ 5 ⇒ уравнение не имеет корней.