7-(n-5)-2n-9=n-17

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Solution for 7-(n-5)-2n-9=n-17 equation:


Simplifying
7 + -1(n + -5) + -2n + -9 = n + -17

Reorder the terms:
7 + -1(-5 + n) + -2n + -9 = n + -17
7 + (-5 * -1 + n * -1) + -2n + -9 = n + -17
7 + (5 + -1n) + -2n + -9 = n + -17

Reorder the terms:
7 + 5 + -9 + -1n + -2n = n + -17

Combine like terms: 7 + 5 = 12
12 + -9 + -1n + -2n = n + -17

Combine like terms: 12 + -9 = 3
3 + -1n + -2n = n + -17

Combine like terms: -1n + -2n = -3n
3 + -3n = n + -17

Reorder the terms:
3 + -3n = -17 + n

Solving
3 + -3n = -17 + 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 + -3n + -1n = -17 + n + -1n

Combine like terms: -3n + -1n = -4n
3 + -4n = -17 + n + -1n

Combine like terms: n + -1n = 0
3 + -4n = -17 + 0
3 + -4n = -17

Add '-3' to each side of the equation.
3 + -3 + -4n = -17 + -3

Combine like terms: 3 + -3 = 0
0 + -4n = -17 + -3
-4n = -17 + -3

Combine like terms: -17 + -3 = -20
-4n = -20

Divide each side by '-4'.
n = 5

Simplifying
n = 5

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