[tex]8.5 - 2.15x = 3.05x - 9.5[/tex]
[tex]850 - 215x = 305x - 950[/tex]
[tex] - 215x = 305x - 1800[/tex]
[tex] - 520 x= - 1800[/tex]
[tex]x = - 1800 \div ( - 520)[/tex]
[tex]x = - 45 \div ( - 13)[/tex]
[tex]x = \frac{45}{13} [/tex]
Ответ: 3 6/13.
Пошаговое объяснение:
8.5 - 2.15х = 3.05х - 9.5.
-2.15x-3.05x = -9.5-8.5;
-5.2x = -18;
x=-18:(-5.2);
x=45/13=3 6/13.
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Answers & Comments
[tex]8.5 - 2.15x = 3.05x - 9.5[/tex]
[tex]850 - 215x = 305x - 950[/tex]
[tex] - 215x = 305x - 1800[/tex]
[tex] - 520 x= - 1800[/tex]
[tex]x = - 1800 \div ( - 520)[/tex]
[tex]x = - 45 \div ( - 13)[/tex]
[tex]x = \frac{45}{13} [/tex]
Ответ: 3 6/13.
Пошаговое объяснение:
8.5 - 2.15х = 3.05х - 9.5.
-2.15x-3.05x = -9.5-8.5;
-5.2x = -18;
x=-18:(-5.2);
x=45/13=3 6/13.