(4n+5500)-(2n+5100)=6400

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Solution for (4n+5500)-(2n+5100)=6400 equation:


Simplifying
(4n + 5500) + -1(2n + 5100) = 6400

Reorder the terms:
(5500 + 4n) + -1(2n + 5100) = 6400

Remove parenthesis around (5500 + 4n)
5500 + 4n + -1(2n + 5100) = 6400

Reorder the terms:
5500 + 4n + -1(5100 + 2n) = 6400
5500 + 4n + (5100 * -1 + 2n * -1) = 6400
5500 + 4n + (-5100 + -2n) = 6400

Reorder the terms:
5500 + -5100 + 4n + -2n = 6400

Combine like terms: 5500 + -5100 = 400
400 + 4n + -2n = 6400

Combine like terms: 4n + -2n = 2n
400 + 2n = 6400

Solving
400 + 2n = 6400

Solving for variable 'n'.

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

Add '-400' to each side of the equation.
400 + -400 + 2n = 6400 + -400

Combine like terms: 400 + -400 = 0
0 + 2n = 6400 + -400
2n = 6400 + -400

Combine like terms: 6400 + -400 = 6000
2n = 6000

Divide each side by '2'.
n = 3000

Simplifying
n = 3000

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