406-(451-m)=341 825-(n+176)=493 ПОЖАЛУЙСТА,ПОСКОРЕЕ!
406-(451-m)=341
-451+m=341-406
-451+m=- 65
m=-65+451
m=386
=========================================
825-(n+176)=493
-n-176=493-825
-n-176=- 332
-n=- 332+176
-n=- 156
n=156
451-m=406-341
451-m=65
m=451-65
----------------
n+176=825-493
n+176=332
n=332-176
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Verified answer
406-(451-m)=341
-451+m=341-406
-451+m=- 65
m=-65+451
m=386
=========================================
825-(n+176)=493
-n-176=493-825
-n-176=- 332
-n=- 332+176
-n=- 156
n=156
406-(451-m)=341
451-m=406-341
451-m=65
m=451-65
m=386
----------------
825-(n+176)=493
n+176=825-493
n+176=332
n=332-176
n=156