Ax + (B + 3) y = 6 is a bivariate linear equation about X and Y. then the range of a and B is?

Ax + (B + 3) y = 6 is a bivariate linear equation about X and Y. then the range of a and B is?

If a is not equal to 0 and B is not equal to - 3, the coefficients of X and y are not 0