486:( 5х +2)= 18
( 5х +2)=486: 18
5х +2=27
5х =27-2
5х =25
х=25/5
х=5
5(14+х)+6х=158
70 + 5x + 6x = 158
5x + 6x = 158 – 70
11x = 88
x = 8
486:( 5х +2)= 18
( 5х +2)=486: 18
5х +2=27
5х =27-2
5х =25
х=25/5
х=5
5(14+х)+6х=158
70 + 5x + 6x = 158
5x + 6x = 158 – 70
11x = 88
x = 8