Question

Решите пропорцию 3 3/11:(х-2)=1 17/22:(-1 5/8)

Answer 1

1 17/22*(x-2) = 3 3/11*(-1 5/8)
39/22*(x-2) = 36/11*(-13/8)
39/22x - 78/22 = -117/22
39/22x = -117/22+78/22
39/22x=-39/22
x=-39/22*22/39
x= -1