5/7:(6/7х+3/7)-1/2=1/6

Question

5/7:(6/7х+3/7)-1/2=1/6

Answer 1

5/7:(6/7х+3/7)-1/2=1/6
5/7:(6/7х+3/7)=1/6+1/2
5/7:(6/7х+3/7)=1/6+3/6
5/7:(6/7х+3/7)=4/6
(6/7х+3/7)=5/7:4/6
(6/7х+3/7)=5/7*6/4
6/7х+3/7=30/28
6/7х=30/28-3/7
6/7х=30/28-12/28
6/7х=18/28
6/7х=9/14
х=9/14:6/7
х=9/14*7/6
х=3/4

Comments

Спасибооо