tìm x a) x- 7/3 = 1/2 - -3/70 b) x- 3/4 =5/12 - 3/-16 giúp mik mik cần gấp

`~Ly~`

`x-7/3=1/2-(-3/70)`

`=>x-7/3=1/2+3/70`

`=>x-7/3=35/70+3/70`

`=>x-7/3=38/70`

`=>x-7/3=19/35`

`=>x=19/35+7/3`

`=>x =302/105`

vậy `x=302/105`

_______________________________________

`x-3/4=5/12-3/-16`

`=>x-3/4=29/48`

`=>x=29/48+3/4`

`=>x=29/48+36/48`

`=>x=65/48`

vậy `x=65/48`