х=-15
Пошаговое объяснение:
9-(4х-18)=(39+4х)+(18-6х)
9-4х+18= 39+4х+18-6х
9-4х=39+4х-6х
9-4х=39-2х
-4х+2х=39-9
-2х=30
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
х=-15
Пошаговое объяснение:
9-(4х-18)=(39+4х)+(18-6х)
9-4х+18= 39+4х+18-6х
9-4х=39+4х-6х
9-4х=39-2х
-4х+2х=39-9
-2х=30
х=-15