Question

the value of m when 2m-10=7m-15+5 is

Answer 1

$2m - 10 = 7m - 15 + 5 \\ 2m - 10 = 7m - 10 \\ 7m = 2m \\ \: it \: is \: only \: possible \: when \: m = 0$
hence value of m is 0

Answer 2

2m-10=7m-15+5
2m-10=7m-10
2m-7m= -10+10
-5m=0
m= 0/-5
m= -0/5
m=0
Hope you got it :)