7х-5(2х+1)=5х+15
7х-10х-5=5х+15
-3х-5=5х+15
-3х-5х=15+5
-8х=20
х=-2,5
______________________
Готово!!Удачи)))
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
7х-5(2х+1)=5х+15
7х-10х-5=5х+15
-3х-5=5х+15
-3х-5х=15+5
-8х=20
х=-2,5
______________________
Готово!!Удачи)))