2(х-9)-7х=28
2х+18-7х=28
-5х+18=28
-5х=28-18
-5х=10
х=-2
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
2(х-9)-7х=28
2х+18-7х=28
-5х+18=28
-5х=28-18
-5х=10
х=-2