Решите уравнения.486:(5x+2)=18.5(14+b)+6b=158

Question

Решите уравнения.486:(5x+2)=18.
5(14+b)+6b=158

Answer 1

486 : 18 = 5х +2
27 - 2 = 5х
5х = 25
 х = 5

70 + 5b  + 6b = 158
11b = 158 - 70
11b = 88
b = 8