5x + 6y - z = 5 x - y- z = 0 - 5x + 5y + 5z = 0 x + y+ 3z = 4 Select the correct choice below and, if necessary, fill in the answer box(es) in your choice. O A. The solution is ( ). (Simplify your...

Used any method to calculate the answer as you want

Extracted text: 5x + 6y - z = 5 x - y- z = 0 - 5x + 5y + 5z = 0 x + y+ 3z = 4 Select the correct choice below and, if necessary, fill in the answer box(es) in your choice. O A. The solution is ( ). (Simplify your answers.) B. There are infinitely many solutions. The solution can be written as (Simplify your answels. Type expressions using z as the variable.) O where O C. This system has no solution.