Explanation:
Solve by the elimination method
x/5 + y = 6/5
x/10 + y/3 = 7/10
x + 5y = 6 |×2| 2x + 10y = 12
3x + 10y = 21 |×1| 3x + 10y = 22
__________ -
-x = -10
x = 10
x + 5y = 6
10 + 5y = 6
5y = 6 - 10
5y = -4
y = -4/5
Solution → (x,y) = (10 , -4/5)