7 (m+6) - 4 (3-m)= 19
7m + 42 - 12 + 4m=19
11m +30 =19
11m=19-30
11m=-11
m=11:(-11)
m=-1
7 (m+6) - 4 (3-m) =19
7m+42-12+4m=19
11m=19-42+12
11m=-11m
7 (m+6) - 4 (3-m)= 19
7m + 42 - 12 + 4m=19
11m +30 =19
11m=19-30
11m=-11
m=11:(-11)
m=-1
7 (m+6) - 4 (3-m) =19
7m+42-12+4m=19
11m=19-42+12
11m=-11m
m=-1