\begin{array}{c|c|c}\color{gainsboro}{𝕹}\color{lightgrey}{𝖔}\color{silver}{𝖈}\color{darkgray}{𝖙}\color{gray}{𝖎}\color{dimgray}{𝖘}\color{black}{³⁴⁷}\end{array}

`a)` `2x-5=0`

`2x=5`

`x=5/2`

Vậy `x=5/2`

`b)` `3x-7=5`

`3x=12`

`x=4`

Vậy `x=4`

`c)` `-5x-3=17`

`-5x=20`

`x=-4`

Vậy `x=-4`

`d)` `(2x-1)/2+x=(2x)/3`

`3(2x-1)+6x=4x`

`12x-3=4x`

`8x=3`

`x=3/8`

`e)` `1+(2x-5)/6=(3-x)/4`

`12+2(2x-5)=3(3-x)`

`12+4x-10=9-3x`

`7x=7`

`x=1`

Vậy `x=1`

`f)` `(3x-2)/5+x=1+(2-3x)/2`

`2(3x-2)+10x=10+5(2-3x)`

`6x-4+10x=20-15x`

`31x=24`

`x=24/31`

Vậy `x=24/31`