Solve the system by Gaussian elimination. (If there is no
solution, enter NO SOLUTION. If there are an infinite number of
solutions, enter a general solution in terms of one of the
variables.) 4 5 x − 7 8 y + 1 2 z = 5 − 4 5 x − 3 4 y + 1 3 z = −12
− 2 5 x − 7 8 y + 1 2 z = −7 (x, y, z) =