3х+10=-2×(х+5)
3х+10=-2х-10
3х+2х=-10-10
5х=-20
х=(-20)÷5
х=-4
х-2×(х+3)=3х+2
х-2х-6=3х+2
х-2х-3х=2+6
-4х=8
х=8÷(-4)
х=-2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
3х+10=-2×(х+5)
3х+10=-2х-10
3х+2х=-10-10
5х=-20
х=(-20)÷5
х=-4
х-2×(х+3)=3х+2
х-2х-6=3х+2
х-2х-3х=2+6
-4х=8
х=8÷(-4)
х=-2