А)2×(х-3)=6
2x – 6 = 6
2x = 6 + 6
2x = 12
x = 6
б)(х-2)×4=15
раскроем скобки
4x-8 = 15
4x-23 = 0
4x = 23
x = 23/4
х=5,75
А)2×(х-3)=6
2x – 6 = 6
2x = 6 + 6
2x = 12
x = 6
б)(х-2)×4=15
раскроем скобки
4x-8 = 15
4x-23 = 0
4x = 23
x = 23/4
х=5,75