Question

if (A, 1)is the solution of the equation 3a - 2y =19. then what is the value of a​

Answer 1

put (a,1) in equation to get answer ,

=> 3a - 2(1) = 19

=> 3a = 19+2

=> 3a = 21

=> a= 21/3 = 7

a = 7 is answer