х+ (х+43) = 215
х+х+43=215
2х=215-43
2х=172
х=172/2
х=86
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
х+ (х+43) = 215
х+х+43=215
2х=215-43
2х=172
х=172/2
х=86
ответ 86