rozwiąż równanie : 8*(x-1)+25=37        (6+(x:2*1)*4):9+6=8    daje naj !!! pomocy na jutro !!!

8*(x-1)+25=37  8x-8+25=37 8x+17 = 37 8x = 37 - 17 8x = 20 x=20/8 x= 2 4/8 x=2 1/2   (6+(x:2*1)*4):9+6=8   (6 + 2x):9=8-6 (6+2x):9=2  II*9 6+2x = 18 2x=18-6 2x=12 x=6

8*(x-1)+25=37 8x-8+25=37 8x=37+8-25 8x=20/:8 x=2,5 (6+(x:2*1)*4):9+6=8  (6+(x:2)*4):9+6=8 (6+2x):9+6=8 6/9+2/9x+6=8 2/9x=8-6-6/9 2/9x=1 3/9/:2/9 x=12/9 * 9/2 x=12/2 x=6