5n+6=7(n+3)-3n

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Solution for 5n+6=7(n+3)-3n equation:


Simplifying
5n + 6 = 7(n + 3) + -3n

Reorder the terms:
6 + 5n = 7(n + 3) + -3n

Reorder the terms:
6 + 5n = 7(3 + n) + -3n
6 + 5n = (3 * 7 + n * 7) + -3n
6 + 5n = (21 + 7n) + -3n

Combine like terms: 7n + -3n = 4n
6 + 5n = 21 + 4n

Solving
6 + 5n = 21 + 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.
6 + 5n + -4n = 21 + 4n + -4n

Combine like terms: 5n + -4n = 1n
6 + 1n = 21 + 4n + -4n

Combine like terms: 4n + -4n = 0
6 + 1n = 21 + 0
6 + 1n = 21

Add '-6' to each side of the equation.
6 + -6 + 1n = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 1n = 21 + -6
1n = 21 + -6

Combine like terms: 21 + -6 = 15
1n = 15

Divide each side by '1'.
n = 15

Simplifying
n = 15

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