0.4m+0.3=8.4

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Solution for 0.4m+0.3=8.4 equation: 


Simplifying
0.4m + 0.3 = 8.4

Reorder the terms:
0.3 + 0.4m = 8.4

Solving
0.3 + 0.4m = 8.4

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 + 0.4m = 8.4 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.4m = 8.4 + -0.3
0.4m = 8.4 + -0.3

Combine like terms: 8.4 + -0.3 = 8.1
0.4m = 8.1

Divide each side by '0.4'.
m = 20.25

Simplifying
m = 20.25

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