10 1/2-3 1/6=10 11/15-(m+3 2/15)=

Question

10 1/2-3 1/6=
10 11/15-(m+3 2/15)=

Answer 1

1) 7,3 + х = 15
х = 15-7,3
х = 7,7
2) 0,7а - 7 9/13 = 3 4/13
0,7а = 7 9/13 + 3 4/13
0,7а = 11
а = 11/0,7
а = 15 5/7
3) 38/5 - м = 94/15
м = 4/3
м = 1 1/3