SOLUTION: What is the error in this equation? m/3 - 9 = -21 m/3 - 9 + 9 = -21 + 9 m/3 = -12 m = -4

Algebra ->  Equations -> SOLUTION: What is the error in this equation? m/3 - 9 = -21 m/3 - 9 + 9 = -21 + 9 m/3 = -12 m = -4       Log On


   



Question 678533: What is the error in this equation?
m/3 - 9 = -21
m/3 - 9 + 9 = -21 + 9
m/3 = -12
m = -4

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
The error is the last operation,
it should be
m=-12*3
m=-36