View Compilation Error

0_0_38542059_2926.cpp: In function 'vec solve(int, int, int, int, int, int)':
0_0_38542059_2926.cpp:15:2: error: expected ';' before 'if'
  if(x1!=0)v.a=(x-x2*v.b)/x1;
  ^
0_0_38542059_2926.cpp:16:2: error: 'else' without a previous 'if'
  else v.a=(y-y2*v.b)/y1;
  ^