6n+21=3n+51

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Solution for 6n+21=3n+51 equation:


Simplifying
6n + 21 = 3n + 51

Reorder the terms:
21 + 6n = 3n + 51

Reorder the terms:
21 + 6n = 51 + 3n

Solving
21 + 6n = 51 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
21 + 6n + -3n = 51 + 3n + -3n

Combine like terms: 6n + -3n = 3n
21 + 3n = 51 + 3n + -3n

Combine like terms: 3n + -3n = 0
21 + 3n = 51 + 0
21 + 3n = 51

Add '-21' to each side of the equation.
21 + -21 + 3n = 51 + -21

Combine like terms: 21 + -21 = 0
0 + 3n = 51 + -21
3n = 51 + -21

Combine like terms: 51 + -21 = 30
3n = 30

Divide each side by '3'.
n = 10

Simplifying
n = 10

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