-4n+21=-0.3

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Solution for -4n+21=-0.3 equation: 


Simplifying
-4n + 21 = -0.3

Reorder the terms:
21 + -4n = -0.3

Solving
21 + -4n = -0.3

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + -4n = -0.3 + -21

Combine like terms: 21 + -21 = 0
0 + -4n = -0.3 + -21
-4n = -0.3 + -21

Combine like terms: -0.3 + -21 = -21.3
-4n = -21.3

Divide each side by '-4'.
n = 5.325

Simplifying
n = 5.325

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