Question

solve: 78=-2(m+3)+m

Answer 1

78= -2m-6+m
78= -m-6
78+6= -m
84= -m
m= -84

Answer 2

Just rearrange the like terms in this type of problems...

Answer 3

\[78=-2(m+3)+m\]\[78=-2m-6+m\]\[84=-m\]\[m=-84\]