a)a=10/3 b)x=12/10 x=6/5 c)m= 21/2 d)2=3m/7 14=3m 14/3=m e)-4/x=5 -4=5x -4/5=x f)m-m=-3/5-2 0=-2 3/5 układ sprzeczny g)a= 4/5 h)-x= -10/15 + 21/15 -x = 11/15 x=-11/15 i)5/2m-1/2m=-5-1 4/2m=-6 2/m= -6 2=-6m m=-1/3
a) 5/3=a/2 10/3 = a b)3/10 = x/4 12/10=x c)7/14=m/21 147/14 = m d)2/m=3/7 14/m = 3 14 = 3m 14/3 = m e)3/x=7/x+5 3x+15/x = 7 3x +15 = 7x 15 = 4x 15/4 = x f)m+4/2=m-3/5 m+4 = 2m-6 5m + 20 = 2m -6 3m = -26 m = - 26/3 g)a+3/5=7/5 5a + 15 = 35 5a = 20 a = 4 h)x-2/3=2x+7/5 x-2 = 6x+21 /5 5x-10 = 6x+21 -31 = x i)5/2m+5=2/4m-1 5= 4m+10 / 4m-1 20m-5 = 4m+10 16m = 15 m= 15/16
