Question

Решите уравнения 
1.2+1.4х=х-3.4

Answer 1

1.2=-1.4(x-3.4)
1.2=-1.4x+47.6
1.2-47.6=-1.4x
-46.4=-1.4x
X=1.4/46.4
X=0.03

Answer 2

1,4х-х=-1,2-3,4

0,4х=-4,6

х=-4,6/0,4

х=-11,5

Ответ x=-11.5