Решите уравнения: (1/4+3/4x):0,45=25/36 22*(17/26x-3/4)=51/13

Question

Решите уравнения: (1/4+3/4x):0,45=25/36

22*(17/26x-3/4)=51/13

Answer 1

1. 1/4+3/4х=25/36*45/100
1/4+3/4х=5/16
3/4х=5/16-1/4
3/4х=1/16
х=1/16*4/3
х=1/12
2. 17/26х-3/4=51/13*1/22
17/26х-3/4=51/286
17/26х=51/286+3/4
17/26х=265,5/286
х=265,5/286*26/17
х=1,4197861

Comments

спасибо)