a person left a property of 30000 heritage is divided into his 4 sons and 3 daughters such that each daughter get half of the sons share . a loan of 8000 also to be paid. find the share of each.

S = 2D

4S + 3D - 8000 = 30,000

Substitute 2D for S in the second equation and solve for D. Insert that value into the first equation to solve for S. Check by putting both values into the second equation.