0.2m-0.3=0.4

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Solution for 0.2m-0.3=0.4 equation: 


Simplifying
0.2m + -0.3 = 0.4

Reorder the terms:
-0.3 + 0.2m = 0.4

Solving
-0.3 + 0.2m = 0.4

Solving for variable 'm'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + 0.2m = 0.4 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.2m = 0.4 + 0.3
0.2m = 0.4 + 0.3

Combine like terms: 0.4 + 0.3 = 0.7
0.2m = 0.7

Divide each side by '0.2'.
m = 3.5

Simplifying
m = 3.5

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