-3x-7y=21 Find the missing value from each of the ordered pairs below so that each is a solution to the equation. a) (0,underline ( )) b) (underline ( ),0) c) (-7,underline ( ))

To find the missing values for each of the given points that satisfy the equation , we can substitute the x-coordinate or y-coordinate of each point into the equation and solve for the other variable.a) Substituting into the equation, we get: Therefore, the missing value for point a) is .b) Substituting into the equation, we get: Therefore, the missing value for point b) is .c) Substituting into the equation, we get: Therefore, the missing value for point c) is .In summary, the missing values for each of the given points are:a) b) c)