Question

помогите 1
-
5 х - 1.3=1 помогите

Answer 1

1-5х=1+1,3; 1-5х=2,3; -5х=2,3-1; -5х=1,3; х=-1,3:5; х=-0.26.

Answer 2

5х=2.3
Х=2.3:5
Х=0.46