9n-21=3+5n

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Solution for 9n-21=3+5n equation:


Simplifying
9n + -21 = 3 + 5n

Reorder the terms:
-21 + 9n = 3 + 5n

Solving
-21 + 9n = 3 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-21 + 9n + -5n = 3 + 5n + -5n

Combine like terms: 9n + -5n = 4n
-21 + 4n = 3 + 5n + -5n

Combine like terms: 5n + -5n = 0
-21 + 4n = 3 + 0
-21 + 4n = 3

Add '21' to each side of the equation.
-21 + 21 + 4n = 3 + 21

Combine like terms: -21 + 21 = 0
0 + 4n = 3 + 21
4n = 3 + 21

Combine like terms: 3 + 21 = 24
4n = 24

Divide each side by '4'.
n = 6

Simplifying
n = 6

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