Question

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m?
-15m= -4m
-7m- 8 =m- 4
-3m- 8 = 4 -m
m- 4 = -7m- 8
-8 - 7m= -4 +m
-8 - 3m= 4 -m

Answer 1

if you solve the first equation you get m=-1/2
now all those equations satisfying m=-1/2 are the answers