Question 869993
Shiasta ---------x years
brother =26-x years

3 years ago

shiasta----------x-3 years
brother -----------(26-x)-3 years

(x-3)=4(26-x-3)

x-3=4(23-x)

x-3=92-4x

5x=95
/5
x=19  shiasta's age

26-19 =7 years brother's age