Answer:
x = 21/5 + m, m E R
Step-by-step explanation:
Solving Steps:
-3x=9 - 2x = -12 - 5m
collect the like terms
-5x + 9 = - 12 - 5m
move constant to the right
-5x = - 21 - 5m
Divide both sides by -5
x 21/5 + m
the final solution
x = 21/5 + m, m E R