Question

tell whether [5,-1] is a solution of x-3y=8

Answer 1

Answer:

if [5,-1] is a solution of x-3y=8

then ,

5 - 3 (-1) = 8

=> 5 + 3 = 8

=> 8 = 8

which is true .

So, [5,-1] is a solution of x-3y=8