8.6+2.1m=3.7m-4.2

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Solution for 8.6+2.1m=3.7m-4.2 equation: 


Simplifying
8.6 + 2.1m = 3.7m + -4.2

Reorder the terms:
8.6 + 2.1m = -4.2 + 3.7m

Solving
8.6 + 2.1m = -4.2 + 3.7m

Solving for variable 'm'.

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

Add '-3.7m' to each side of the equation.
8.6 + 2.1m + -3.7m = -4.2 + 3.7m + -3.7m

Combine like terms: 2.1m + -3.7m = -1.6m
8.6 + -1.6m = -4.2 + 3.7m + -3.7m

Combine like terms: 3.7m + -3.7m = 0.0
8.6 + -1.6m = -4.2 + 0.0
8.6 + -1.6m = -4.2

Add '-8.6' to each side of the equation.
8.6 + -8.6 + -1.6m = -4.2 + -8.6

Combine like terms: 8.6 + -8.6 = 0.0
0.0 + -1.6m = -4.2 + -8.6
-1.6m = -4.2 + -8.6

Combine like terms: -4.2 + -8.6 = -12.8
-1.6m = -12.8

Divide each side by '-1.6'.
m = 8

Simplifying
m = 8

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