m-6.7=3.9+12.5

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Solution for m-6.7=3.9+12.5 equation: 


Simplifying
m + -6.7 = 3.9 + 12.5

Reorder the terms:
-6.7 + m = 3.9 + 12.5

Combine like terms: 3.9 + 12.5 = 16.4
-6.7 + m = 16.4

Solving
-6.7 + m = 16.4

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '6.7' to each side of the equation.
-6.7 + 6.7 + m = 16.4 + 6.7

Combine like terms: -6.7 + 6.7 = 0.0
0.0 + m = 16.4 + 6.7
m = 16.4 + 6.7

Combine like terms: 16.4 + 6.7 = 23.1
m = 23.1

Simplifying
m = 23.1

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