3m-0.4=2m

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Solution for 3m-0.4=2m equation:


Simplifying
3m + -0.4 = 2m

Reorder the terms:
-0.4 + 3m = 2m

Solving
-0.4 + 3m = 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-0.4 + 3m + -2m = 2m + -2m

Combine like terms: 3m + -2m = 1m
-0.4 + 1m = 2m + -2m

Combine like terms: 2m + -2m = 0
-0.4 + 1m = 0

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 1m = 0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 1m = 0 + 0.4
1m = 0 + 0.4

Combine like terms: 0 + 0.4 = 0.4
1m = 0.4

Divide each side by '1'.
m = 0.4

Simplifying
m = 0.4

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