Предмет: Математика, автор: valentina20061

22-17x=314+7x
Сколько будет x?

Ответы

Автор ответа: Ponzik
0

Ответ:

-17x-7x=314+22

-24x=336

x=-336:24

x=-14

Пошаговое объяснение:

valentina20061: А вот такой можно ?
valentina20061: 1,5x-2,7=4,2x
Ponzik: -2,7=4,2x-1.5x
Ponzik: -2.7=2.7x
Ponzik: x=-1
valentina20061: Спасибо
valentina20061: -20-1,7y=52,8+3,5y
Ponzik: -20-52.8=3.5y+1.7y
Ponzik: -72.8=5.2y
Ponzik: -14=y
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