Assertion (A): The linear equations \(x+2y+6=0\) and \(5x-4y+10=0\) have exactly one solution.
 
Reason (R): If two lines represented by the equation \(a_1x+b_1y+c_1=0\) and \(a_2x+b_2y+c_2=0\) are parrallel to each other then they have the unique solution.