938. 1) 3× (-х) +51=6-12
-3х +51= -6
-3х=-6-51=-57
3х=57
х=19
2) -3х-21=81-84
-3х-21=-3
-3х=18
х= -6
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
938. 1) 3× (-х) +51=6-12
-3х +51= -6
-3х=-6-51=-57
3х=57
х=19
2) -3х-21=81-84
-3х-21=-3
-3х=18
х= -6