Question 474470
daughter =x
woman = 7x

5 years later
daughter = x+5
woman = 7x+5

...
7x+5 = 4(x+5)
7x+5=4x+20
7x-4x=20-5
3x=15
x= 5 years daughter's age now
Woman's age = 7*5 = 35 years now