Ответ:
Пошаговое объяснение:
1) 7/3 = х/2
3х = 7 * 2
3х = 14
х = 14 : 3
х = 4 2/3
2) 7х = х + 25
7х - х = 25
6х = 25
х = 25 : 6
х = 4 1/6
3) 3х + 16 = 9 - 10х
3х - 10х = 9 - ( - 16)
- 7х = 25
х = 25 : (- 7)
х = - 3 4/7
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Ответ:
Пошаговое объяснение:
1) 7/3 = х/2
3х = 7 * 2
3х = 14
х = 14 : 3
х = 4 2/3
2) 7х = х + 25
7х - х = 25
6х = 25
х = 25 : 6
х = 4 1/6
3) 3х + 16 = 9 - 10х
3х - 10х = 9 - ( - 16)
- 7х = 25
х = 25 : (- 7)
х = - 3 4/7