Determine if (5/6,-2) is a solutionto -6x-7y=9

Put x1 and y1 of P(x1,y1) into the equation.

If the left hand side evaluates to 9, then P is a solution to the equation.

put P(5/6, -2) into -6x-7y=9
Check if
-6(5/6)-7(-2)
= 9?