Question

y- 5/29= 5/8-3/10

2/3-(7/9-а)=1/3
Решите,пожалуйста

Answer 1

y=5/8-3/10+5/29=(5*145-3*116+5*40)/1160=(725-348+200)/1160=577/1160

2/3-(7/9-а)=1/3
2/3-7/9+а=1/3
а=1/3-2/3+7/9=(3-2*3+7)/9=4/9