8,5×(-1,8а - 1,6+10с)-13,4 (-50в+7с+9а)

Question

8,5×(-1,8а - 1,6+10с)-13,4 (-50в+7с+9а)

Answer 1

-15,3а-13,6+85с+670в-93,8с-120,6а=-135,9а-8,8с+670в-13,6

Answer 2

=8.5×(-1.8а)-8.5×1.6+8.5×10с-13.4×(-50в)-13.4×7с-13.4×9с= =-15.3а-13.6+85с+670в-93.8с-120.6с=-15.3а-13.6+670в-129.4с