m+3.9=8.2

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Solution for m+3.9=8.2 equation: 


Simplifying
m + 3.9 = 8.2

Reorder the terms:
3.9 + m = 8.2

Solving
3.9 + m = 8.2

Solving for variable 'm'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + m = 8.2 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + m = 8.2 + -3.9
m = 8.2 + -3.9

Combine like terms: 8.2 + -3.9 = 4.3
m = 4.3

Simplifying
m = 4.3

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