4.2=0.3n

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Solution for 4.2=0.3n equation:


Simplifying
4.2 = 0.3n

Solving
4.2 = 0.3n

Solving for variable 'n'.

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

Add '-0.3n' to each side of the equation.
4.2 + -0.3n = 0.3n + -0.3n

Combine like terms: 0.3n + -0.3n = 0.0
4.2 + -0.3n = 0.0

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -0.3n = 0.0 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -0.3n = 0.0 + -4.2
-0.3n = 0.0 + -4.2

Combine like terms: 0.0 + -4.2 = -4.2
-0.3n = -4.2

Divide each side by '-0.3'.
n = 14

Simplifying
n = 14

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