Answer
Success!
m=5

↓Steps Explained:↓

Solve for m

m + 7.5 = 2.50m

Group variables

Group our variables m and 2.50m
subtract 2.50m from both sides

m + 7.5 - 2.50m = 2.50m - 2.50m

Cancel 2.50m on the right side:

-1.5m + 7.5 = 0

Group constants

Group our constants 7.5 and 0.
subtract 7.5 from both sides

-1.5m + 7.5 - 7.5 = 0 - 7.5

Cancel 7.5 on the left side:

-1.5m = -7.5

Divide each side of the equation by -1.5

-1.5m
-1.5
=
  
-7.5
-1.5

m = 5

Final Answer

m=5
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