1.2m-3.9=2.1

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Solution for 1.2m-3.9=2.1 equation: 


Simplifying
1.2m + -3.9 = 2.1

Reorder the terms:
-3.9 + 1.2m = 2.1

Solving
-3.9 + 1.2m = 2.1

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 + 1.2m = 2.1 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 1.2m = 2.1 + 3.9
1.2m = 2.1 + 3.9

Combine like terms: 2.1 + 3.9 = 6
1.2m = 6

Divide each side by '1.2'.
m = 5

Simplifying
m = 5

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