1/4 x -2 =2x/3 +8,maka nilai 3-x

2x/3 itu sama aja denfan ⅔x

¼x-2 = ⅔x + 8
¼x - ⅔× = 8+2
3/12x - 8/12 = 10
-5/12x = 10
x = 10 ÷ -5/12
x = 10× -12/5
= -24

jadi 3-x = 3-(-24) = 3+24 = 27

semoga benar