code: def time_solve_lin_sys_189x49():
      eqs = eqs_189x49()
      sol = solve_lin_sys(eqs, R_49)
      if sol != sol_189x49():
          raise ValueError("Values should be equal")
  
imports: from sympy.polys.rings import ring
  from sympy.polys.fields import field
  from sympy.polys.domains import ZZ, QQ
  from sympy.polys.solvers import solve_lin_sys
label_desc: Use image node_id 10 for calling a global function with example usage: time_solve_lin_sys_189x49() without return types