5n-(n+3)=n+2+7

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Solution for 5n-(n+3)=n+2+7 equation:


Simplifying
5n + -1(n + 3) = n + 2 + 7

Reorder the terms:
5n + -1(3 + n) = n + 2 + 7
5n + (3 * -1 + n * -1) = n + 2 + 7
5n + (-3 + -1n) = n + 2 + 7

Reorder the terms:
-3 + 5n + -1n = n + 2 + 7

Combine like terms: 5n + -1n = 4n
-3 + 4n = n + 2 + 7

Reorder the terms:
-3 + 4n = 2 + 7 + n

Combine like terms: 2 + 7 = 9
-3 + 4n = 9 + n

Solving
-3 + 4n = 9 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-3 + 4n + -1n = 9 + n + -1n

Combine like terms: 4n + -1n = 3n
-3 + 3n = 9 + n + -1n

Combine like terms: n + -1n = 0
-3 + 3n = 9 + 0
-3 + 3n = 9

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

Combine like terms: -3 + 3 = 0
0 + 3n = 9 + 3
3n = 9 + 3

Combine like terms: 9 + 3 = 12
3n = 12

Divide each side by '3'.
n = 4

Simplifying
n = 4

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