Ответ:
1) 18/30-х=4/30+6/30
2) (13/67+6/67)-x=9/67
2) 10/15+(5/15-х)=14/15
Пошаговое объяснение:
1)
18/30-х=4/30+6/30
2)
(13/67+6/67)-x=9/67
3)
10/15+(5/15-х)=14/15
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Ответ:
1) 18/30-х=4/30+6/30![\displaystyle \boldsymbol {x=\frac{4}{15} } \displaystyle \boldsymbol {x=\frac{4}{15} }](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cboldsymbol%20%7Bx%3D%5Cfrac%7B4%7D%7B15%7D%20%7D)
2) (13/67+6/67)-x=9/67![\displaystyle \boldsymbol{x=\frac{10}{67} } \displaystyle \boldsymbol{x=\frac{10}{67} }](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cboldsymbol%7Bx%3D%5Cfrac%7B10%7D%7B67%7D%20%7D)
2) 10/15+(5/15-х)=14/15![\displaystyle \boldsymbol {x= \frac{1}{15} } \displaystyle \boldsymbol {x= \frac{1}{15} }](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cboldsymbol%20%7Bx%3D%20%5Cfrac%7B1%7D%7B15%7D%20%7D)
Пошаговое объяснение:
1)
18/30-х=4/30+6/30
2)
(13/67+6/67)-x=9/67
3)
10/15+(5/15-х)=14/15