Use Cramer's rule to solve the system of equations. If D=0, use another method to determine the solution set.
9x-y+5z=-55
7x+9y-z=11
x+5y+9z=77
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
A. There is one solution. The solution set is â—» , , â—»
(Type integers or simplified fractions.)
B. There are infinitely many solutions. The solution set is â—»
â—» ,z)}, where z is any real number. (Simplify your answers. Use integers or fractions for any numbers in the expressions.)
â—» C. There is no solution. The solution set is (O)/().
Use Cramer's rule to solve the system of equations. If D=0.use another method to determine the solution set. KK 9-y+5z=-55 7x+9y-z=11 x+5y+9z=77
Select the correct choice below and,if necessary.fill in the answer boxes to complete your choice.
OA.There is one solution. The solution set is {} Type integers or simplified fractions.) O B. There are infinitely many solutions. The solution set is {z}, where z is any real number. (Simplify your answers. Use integers or fractions for any numbers in the expressions.) Oc.There is no solution.The solution set is