1)10х=25
х=25/10
х=2,5
3)6(2х-2)=24
12x – 12 = 24
12x = 24 + 12
12x = 36
x = 3
4)2х-12=х+8
2x – x = 8 + 12
x = 20
1)10х=25
х=25/10
х=2,5
3)6(2х-2)=24
12x – 12 = 24
12x = 24 + 12
12x = 36
x = 3
4)2х-12=х+8
2x – x = 8 + 12
x = 20