3m+5=4.2

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Solution for 3m+5=4.2 equation: 


Simplifying
3m + 5 = 4.2

Reorder the terms:
5 + 3m = 4.2

Solving
5 + 3m = 4.2

Solving for variable 'm'.

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

Add '-5' to each side of the equation.
5 + -5 + 3m = 4.2 + -5

Combine like terms: 5 + -5 = 0
0 + 3m = 4.2 + -5
3m = 4.2 + -5

Combine like terms: 4.2 + -5 = -0.8
3m = -0.8

Divide each side by '3'.
m = -0.2666666667

Simplifying
m = -0.2666666667

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