m+4.2=7.5

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Solution for m+4.2=7.5 equation: 


Simplifying
m + 4.2 = 7.5

Reorder the terms:
4.2 + m = 7.5

Solving
4.2 + m = 7.5

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 = 7.5 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + m = 7.5 + -4.2
m = 7.5 + -4.2

Combine like terms: 7.5 + -4.2 = 3.3
m = 3.3

Simplifying
m = 3.3

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