3х-4 5х-7 4х+5------ + --------- = --------------9 6 18

Question

3х-4 5х-7 4х+5
------ + --------- = --------------
9 6 18

Comments

СРОООООЧНО!

Answer 1

2(3х-4)+3(5х-7)=4х+5
6х-8+15х-21=4х+5
6х+15х-29=4х+5
21х-4х=5+29
17х=34
х=2