4n+8=21

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Solution for 4n+8=21 equation: 


Simplifying
4n + 8 = 21

Reorder the terms:
8 + 4n = 21

Solving
8 + 4n = 21

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 4n = 21 + -8

Combine like terms: 8 + -8 = 0
0 + 4n = 21 + -8
4n = 21 + -8

Combine like terms: 21 + -8 = 13
4n = 13

Divide each side by '4'.
n = 3.25

Simplifying
n = 3.25

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