5n-15-6=4n

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Solution for 5n-15-6=4n equation:


Simplifying
5n + -15 + -6 = 4n

Reorder the terms:
-15 + -6 + 5n = 4n

Combine like terms: -15 + -6 = -21
-21 + 5n = 4n

Solving
-21 + 5n = 4n

Solving for variable 'n'.

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

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

Combine like terms: 5n + -4n = 1n
-21 + 1n = 4n + -4n

Combine like terms: 4n + -4n = 0
-21 + 1n = 0

Add '21' to each side of the equation.
-21 + 21 + 1n = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 1n = 0 + 21
1n = 0 + 21

Combine like terms: 0 + 21 = 21
1n = 21

Divide each side by '1'.
n = 21

Simplifying
n = 21

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