m-.4m+1.5=5.7

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Solution for m-.4m+1.5=5.7 equation: 


Simplifying
m + -0.4m + 1.5 = 5.7

Reorder the terms:
1.5 + m + -0.4m = 5.7

Combine like terms: m + -0.4m = 0.6m
1.5 + 0.6m = 5.7

Solving
1.5 + 0.6m = 5.7

Solving for variable 'm'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + 0.6m = 5.7 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 0.6m = 5.7 + -1.5
0.6m = 5.7 + -1.5

Combine like terms: 5.7 + -1.5 = 4.2
0.6m = 4.2

Divide each side by '0.6'.
m = 7

Simplifying
m = 7

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