a) 3x - 6/5 = 4x + 12/3 3x - 30 = 4x + 36 3x - 4x = 36 + 36 -x =72 b) (x-4) - 1 = (x-3)(x-2) x - 4 - 1 = 2x + 6 x-2x = 6 + 4 + 1 x = 11 c)= 1,5 - x - 6 + 3x -16 = 0 -x +3x = 0 - 1,5 + 6 + 16 2x = -1,5 + 6 + 16 2x = 4,5 + 16 2x = 20,5
a) 3(x-2)/5 = 4(x+3)/3 (3x-6)/5=4x+12/3 5(4x+3)=3(3x-2) 20x+15=9x-6 20x-9x=-6-15 11x=-21/:11 x=-21/11 b) (x-4)-1= (x-3)(x-2) (x-4)-1=x²-2x-3x+6 x+4-1=x²-2x-3x+6 x+2x+3x-x²=6-4+1 6x-x²=3 nie wiem pogubiłam sie.. c) 1,5 - x-1/6 + 3x-2/8 =0 1,5-x-1/6+3x-2/8=0/*48 8(1,5-x-1)+6(3x-2)=0 12-8x-8+18x-12=0 -8x+18x=12+8-12 10x=8/10 x=8/10=4/5
