решите уравнение 1\2( х-3)=1\4(9- х)

1/2(х-3)=1/4(9-х)1/2х-3/2=9/4-1/4х2/4х+1/4х=9/4+6/43/4х=15/4х=15/4:3/4х=5

1\2 ( x -3 ) = 1\4 (9-x)1\2x -3\2 = 9\4 -1\4x1\2x + 1\4x = 9\4 + 3\21\2 x + 1\4x =2\4x + 1\4x =3\4x9\4 + 3\2 =9\4 + 6\4 =15\43\4x = 15\4x = 15\4 : 3\415\4 :3\4 = 15\4 x 4\3=5x = 5