Giải từ p10 đến p15 giúp mih với

Giải chi tiết nhé

`10.` `x+5/6=16/42-(-8)/6`

`x+5/6=8/21-(-8)/6`

`x+5/6=8/21+8/6`

`x+5/6=12/7`

`x=12/7-5/6`

`x=37/42`

`=>x=37/42`

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`11.` `x+4/5=60/20-(-7)/3`

`x+4/5=3-(-7)/3`

`x+4/5=3+7/3`

`x+4/5=16/3`

`x=16/3-4/5`

`x=68/15`

`=>x=68/15`

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`12.` `-(-7)/5-x=4/9`

`7/5-x=4/9`

`x=7/5-4/9`

`x=43/45`

`=>x=43/45`

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`13.` `x+5/7=1/9`

`x=1/9-5/7`

`x=-38/63`

`=>x=38/63`

`14.` `5*((-2)/15)-x=(-3)/10`

`(-2)/3-x=(-3)/10`

`x=(-2)/3-(-3)/10`

`x=-11/30`

`=>x=-11/30`

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`15.` `9*7/4-x=-7/8`

`63/4-x=-7/8`

`x=63/4- -7/8`

`x=63/4+7/8`

`x=133/8`

`=>x=133/8`

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