б)6x-10,2=0
6x=10,2
x=10,2/6
х=1,7
в)5x-4,5=3x+2,5
5x – 3x = 2,5 + 4,5
2x = 7
x = 3.5
г)2x-(6x-50)=45
2x – 6x + 50 = 45
2x – 6x = 45 – 50
-4x = -5
x = 1.25
б)6x-10,2=0
6x=10,2
x=10,2/6
х=1,7
в)5x-4,5=3x+2,5
5x – 3x = 2,5 + 4,5
2x = 7
x = 3.5
г)2x-(6x-50)=45
2x – 6x + 50 = 45
2x – 6x = 45 – 50
-4x = -5
x = 1.25