Ответ:
0.5
удачки!!!!
Пошаговое объяснение:
[tex]0.3(4x - 7) + 4x = 0.5 \\ 1.2x - 2.1 + 4x = 0.5 \\ 1.2x + 4x = 0.5 + 2.1 \\ 5.2x = 2.6 \\ x = \frac{2.6}{5.2} \\ x = \frac{1}{2} \\ x = 0.5[/tex]
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Answers & Comments
Ответ:
0.5
удачки!!!!
Пошаговое объяснение:
[tex]0.3(4x - 7) + 4x = 0.5 \\ 1.2x - 2.1 + 4x = 0.5 \\ 1.2x + 4x = 0.5 + 2.1 \\ 5.2x = 2.6 \\ x = \frac{2.6}{5.2} \\ x = \frac{1}{2} \\ x = 0.5[/tex]