Question

реши уравнение 170+а = 869 ;с - 841=108

Answer 1

170+а=869

а=869-170

а=699

с-841=108

с=108+841

с=949

Answer 2

1)170+a=869

a=869-170

a=699

2)с-841=108

с=841+108

с=949