(15х-14х)-1683=23*10 (2832+(23х-22х)=38*100 4823+(23х-22х)=60*90 (78х-77х)-41*10=289 решить

(15х-14х)-1683=23×10
х=1683+230
х=1913
(15×1913-14 ×1913)-1683=230
(28695 -26782)-1683=230
1913-1683=230
230 =230

2832+(23х-22х)=38×100
2832+х=3800
х=3800-2832
х=968
2832+(23×968 -22×968)=3800
2832+(22264-21296)=3800
2832+968=3800
3800=3800

4823+(23х-22х)=60×90
4823+х=5400
х=5400-4823
х=577
4823+(23×577-22×577)=5400
4823+(13271-12694)=5400
4823+578=5400
5400 =5400

(78х-77х)-41×10 =289
х-410=289
х=289 +410
х=699
(78×699-77×699)-410=289
(54522-53823)-410 =289
699-410=289
289 =289