What values of the variable cannot possibly be solutions for the given equation, without actually solving the equation? startfraction 6 over 2 x plus 3 endfraction minus startfraction 1 over x minus 7 endfraction equals 0 6 2x+3− 1 x−7=0 select the correct choice below and, if necessary, fill in the answer box to complete your choice.
a. the solutions cannot include nothing. (simplify your answers. type an integer or a fraction. use a comma to separate answers as needed.)
b. there are no numbers that would have to be rejected as potential solutions.