Решите уравнение 6 : 14 = 10 : (10 + x)
6:4 =10:(10+х) 1,5/1=10/10+х 1,5(10+х)=10 15+1,5х=10 1,5х=-15+10 1,5х=-5 х=-5*15/10 х=-7,5
60 + 6х = 140 6х = 140/60 6х = 14/6 х = 14/6 * 1/6 х = 14/36 = 7/18