-2(4m-6.4)=44.8

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Solution for -2(4m-6.4)=44.8 equation: 


Simplifying
-2(4m + -6.4) = 44.8

Reorder the terms:
-2(-6.4 + 4m) = 44.8
(-6.4 * -2 + 4m * -2) = 44.8
(12.8 + -8m) = 44.8

Solving
12.8 + -8m = 44.8

Solving for variable 'm'.

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

Add '-12.8' to each side of the equation.
12.8 + -12.8 + -8m = 44.8 + -12.8

Combine like terms: 12.8 + -12.8 = 0.0
0.0 + -8m = 44.8 + -12.8
-8m = 44.8 + -12.8

Combine like terms: 44.8 + -12.8 = 32
-8m = 32

Divide each side by '-8'.
m = -4

Simplifying
m = -4

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