Question

(m+54)+82=68+(54+75)

Answer 1

(m+54)+82=197
m+54=197-82
m+54=115
m=115-54
m=61

Answer 2

(m+54)+82=68+(54+75)

m+136=68+129

m=197-136

m=61

reemplazando valores en m

61+54+82=68+129

197=197