Question

Помогите пожалуйста решить уравнения
1. 8(5-1 целая 1/4b)=3b+14
2. 3х+1/2 + 2 = х+1/7 - х

Answer 1

5-1 1/4 b = 3/8 b + 14/8
5 - 14/8 = 3/8 b + 1 1/4 b
(40-14)/8 = (3+10) b/8
26/8 = 13/8  b
b = 26/13 = 2

Answer 2

3 х + х - х = 1/7- 2 1/2

Answer 3

3 х = - 33/14

Answer 4

х = - 11/14