4х-12-16=5х-25
4х-5х=-25+12+16
-х=3
х=-3
б) 30х-45+2х=25х-45-7
32х-25х=-45-7+45
7х=-7
х=-1
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
4х-12-16=5х-25
4х-5х=-25+12+16
-х=3
х=-3
б) 30х-45+2х=25х-45-7
32х-25х=-45-7+45
7х=-7
х=-1