Решите уравнение 1)4х=5/7 2)х:2 2/15=1 9/16
1) 4х = 5/7 2) х : 2 2/15 = 1 9/16 х = 5/7 : 4 х : 32/15 = 25/16 х = 5/7 * 1/4 х = 25/16 * 32/15 х = 5/28 х = (5*2)/(1*3) х = 10/3 х = 3 1/3