Решите уравнение 1\2(4-3 1\2х)=1 1\4х-1\2
1/2 (4-7/2х) = 5/4х-1/2, 2-7/4х = 5/4х-1/2, -7/4х-5/4х=-1/2-2, -12/4х = - 2 1/2, 3х = 2,5; х = 2,5 : 3, х=5/6