0.4n+7=21.2

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Solution for 0.4n+7=21.2 equation: 


Simplifying
0.4n + 7 = 21.2

Reorder the terms:
7 + 0.4n = 21.2

Solving
7 + 0.4n = 21.2

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 0.4n = 21.2 + -7

Combine like terms: 7 + -7 = 0
0 + 0.4n = 21.2 + -7
0.4n = 21.2 + -7

Combine like terms: 21.2 + -7 = 14.2
0.4n = 14.2

Divide each side by '0.4'.
n = 35.5

Simplifying
n = 35.5

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