первое уравнение
3/4(1/6x-1/3)=3x-23/1
второе уравнение
3/8x+19=7/12x+24

3/4(1/6x-1/3)=3x-23/13/24х -1/12=3x-231/8х -3x=-23+1/12-2 1/4х=-22 11/12х=275/27=10 5/273/8х-7/12х=27-199/24х-14/24х=8-5/24х=8х=8/ -5/24х=-192/5=38,4