-4.2+m=8.6

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Solution for -4.2+m=8.6 equation: 


Simplifying
-4.2 + m = 8.6

Solving
-4.2 + m = 8.6

Solving for variable 'm'.

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

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

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

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

Simplifying
m = 12.8

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