Main.cc: In function ‘int main()’: Main.cc:6:5: error: ‘doube’ was not declared in this scope doube z=(b*y-a*x)*1.0/(b-a); ^~~~~ Main.cc:6:5: note: suggested alternative: ‘double’ doube z=(b*y-a*x)*1.0/(b-a); ^~~~~ double Main.cc:7:11: error: ‘z’ was not declared in this scope cout<