Odpowiedzi

2010-04-13T07:48:23+02:00
-2x+5)/6 + 5(x-2)/4 - 2(2x+1)/3 =1||*12

2(-2x+5) +15(x-2) -8(2x+1)=12

-4x+10+15x-30-16x-8=12
-5x-28=12
-5x=40/:(-5)
x=-8