Решите уравнение (1 2/3х+6 5/42):2 3/4=3 1/11
/-дробь

11(14+15х)=168х

154+165х=168х

165х-168х=-154

-3х=-154

х=154/3, х не= 0

(2/3х + 5/7)*1/2*3/414+15х/21х * 1/2 * 3/414+15х/7х * 1/2 * 1/414+15х/56х

(1 2/3х+6 5/42):2 3/4=3 1/111 2/3х+6 5/42=34/11*11/41 2/3х+6 5/42=8 1/21 2/3х=8 1/2-6 5/421 2/3х=8 21/42-6 5/421 2/3х=2 16/42х=100/42:5/3х=10/7х=1 3/7