Суравнениями 16.3-100x =5 2 100x+4.6 =3 5

1)
16.3-100x
=5
2

5(16.3-100x)=5*2
81,5-500x=10
-500x=10,0-81,5
-500x=-71,5 | : -500
x=0,143

2)
100x+4.6
=3
5

3(100x+4.6)=3*5
300x+13,8=15
300x=15-13,8
300x=1,2 | : 300
x= 0,004