7х-3/9-3x+3/4=8-x/6
помогитеее

7x-3/9-3x+3/4=8-x/64x+x/6=8-5/124 1/6 x=7 7/12x=3 5/12

Если 7х-3; 3х+4 и 8-х - это числители, то:(7х-3)/9-(3x+3)/4=(8-x)/64(7х-3)/36 - 9(3х+3)/36 = 6(8-х)/364(7х-3) - 9(3х+3) = 6(8-х)28х-12 - 27х-27 = 48-6х7х = 87х = 87:7х = 12 3/7