Question

1-5(1,5+х)=6-7,5х решите пж

Answer 1

1-5(1.5+х)=6-7.5х
1-7.5-5х=6-7.5х
-5х+7.5х=6-1+7.5
2.5х=12.5
х=12.5:2.5
х=5