I cant finish this problem but have to solve it today!!!
Solve for all real and b equations
to make this simple the top is (1) the midle is (2) and the bottom is (3)
i add (2) with (1) to get 3x+2az=2a
then i add (2) and (3) and get 6x + az + 3z = a + b
now im lost and cant solve it plz i need fast help :/