0.6/x = 0.8/6 x/3 = 7/ x + 5 4/ x + 6 = 5 / 7 + x x-2/3 = 2x + 7/ 5 5/ 2m + 5 = 2/ 4m - 1 0.6/x - to ułamek 0.6 nad x Reszta tak samo

0.6/x = 0.8/6 x*0,8=6*0,6 0,8x=3,6 x=4,5 x/3 = 7/ x + 5 x*x=3(7+5) x²=21+15 x²=36 x=√36 x=6 4/ x + 6 = 5 / 7 + x 4(7+x)=5(x+6) 28+4x=5x+30 4x-5x=30-28 -1x=2 x=-2 x-2/3 = 2x + 7/ 5 5(x-2)=3(2x+7) 5x-10=6x+21 5x-6x=21+10 -1x=31 x=-31 5/ 2m + 5 = 2/ 4m - 1 5(4m-1)=2(2m+5) 20m-5=4m+10 20m-4m=10+5 -16m=15 m=-15/16