8+4n-3=6n+21-4n

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Solution for 8+4n-3=6n+21-4n equation:


Simplifying
8 + 4n + -3 = 6n + 21 + -4n

Reorder the terms:
8 + -3 + 4n = 6n + 21 + -4n

Combine like terms: 8 + -3 = 5
5 + 4n = 6n + 21 + -4n

Reorder the terms:
5 + 4n = 21 + 6n + -4n

Combine like terms: 6n + -4n = 2n
5 + 4n = 21 + 2n

Solving
5 + 4n = 21 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
5 + 4n + -2n = 21 + 2n + -2n

Combine like terms: 4n + -2n = 2n
5 + 2n = 21 + 2n + -2n

Combine like terms: 2n + -2n = 0
5 + 2n = 21 + 0
5 + 2n = 21

Add '-5' to each side of the equation.
5 + -5 + 2n = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 2n = 21 + -5
2n = 21 + -5

Combine like terms: 21 + -5 = 16
2n = 16

Divide each side by '2'.
n = 8

Simplifying
n = 8

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