Answer:
We get x = 105 & y = 305/4 after solving the given system of equations.
Step-by-step explanation:
Given:
5 x + 4 y = 725......................(i)
3 x + 2 y = 415.......................(ii)
Multiply by 2 in equation (ii)-
We get,
6 x + 4 y = 830....................(iii)
Now,
Subtract equation (i) from equation (iii)-
6 x + 4 y = 830
5 x + 4 y = 725
x = 105
Put x = 105 in equation (i)-
5 × 105 + 4 y = 830
525 + 4 y = 830
4 y = 830 - 525
4 y = 305
y = 305/4
Hence x = 105 & y = 305/4.