6m-5n-11-упростила!6*3-5*1\3-11=18-1,2\3-11=7-1,2\3=6,2\3
7m + 3n - m - 8n - 11 = 6m + 5n - 11
m = 3
n = ⅓
6 · 3 + 5 · ⅓ - 11 = 18 + 5 /3 - 11 = 18 - 11 + 5 /3 = 7 + 5 /3 = 21 /3 + 5 /3 = 26 /3 = 8⅔ ≈ 5,3
6m-5n-11-упростила!
6*3-5*1\3-11=18-1,2\3-11=7-1,2\3=6,2\3
7m + 3n - m - 8n - 11 = 6m + 5n - 11
m = 3
n = ⅓
6 · 3 + 5 · ⅓ - 11 = 18 + 5 /3 - 11 = 18 - 11 + 5 /3 = 7 + 5 /3 = 21 /3 + 5 /3 = 26 /3 = 8⅔ ≈ 5,3