Obilcz X z równiania x+1 x-1 1 ----- -- ----- = ----- 2 3 4

(x+1)/2 - (x-1)/3 = 1/4 /*12 6(x+1)-4(x-1)=3 6x+6-4x+4=3 6x-4x=3-6-4 2x=-7 x=-7/2

x+1 x-1 1 ----- -- ----- = ----- /*12 2 3 4 6(x+1)-4(x-1)=3 6x+6-4x+4=3 2x+10=3 2x=-7 x=-3,5

(x+1) : 4 - (x-1) : 2 = 1/3 | *4 x+1 - 2x - 2 = 4/3 x - 2x = 4/3 -1 + 2 - x = 1 i 4/3 | : (- 1) x = - 1 i 4/3 ( 1, 75)