4.20=2.5m

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Solution for 4.20=2.5m equation: 


Simplifying
4.20 = 2.5m

Solving
4.20 = 2.5m

Solving for variable 'm'.

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

Add '-2.5m' to each side of the equation.
4.20 + -2.5m = 2.5m + -2.5m

Combine like terms: 2.5m + -2.5m = 0.0
4.20 + -2.5m = 0.0

Add '-4.20' to each side of the equation.
4.20 + -4.20 + -2.5m = 0.0 + -4.20

Combine like terms: 4.20 + -4.20 = 0.00
0.00 + -2.5m = 0.0 + -4.20
-2.5m = 0.0 + -4.20

Combine like terms: 0.0 + -4.20 = -4.2
-2.5m = -4.2

Divide each side by '-2.5'.
m = 1.68

Simplifying
m = 1.68

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