Linear Equations Infinite Solutions

Let the system of linear equations
‌x+y+kz=2
‌2x+3y−z=1
‌3x+4y+2z=k
have infinitely many solutions. Then the system
‌(k+1)x+(2k−1)y=7
‌(2k+1)x+(k+5)y=10‌ has: ‌