2(n-8)-(-2n-1)=3n

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Solution for 2(n-8)-(-2n-1)=3n equation:


Simplifying
2(n + -8) + -1(-2n + -1) = 3n

Reorder the terms:
2(-8 + n) + -1(-2n + -1) = 3n
(-8 * 2 + n * 2) + -1(-2n + -1) = 3n
(-16 + 2n) + -1(-2n + -1) = 3n

Reorder the terms:
-16 + 2n + -1(-1 + -2n) = 3n
-16 + 2n + (-1 * -1 + -2n * -1) = 3n
-16 + 2n + (1 + 2n) = 3n

Reorder the terms:
-16 + 1 + 2n + 2n = 3n

Combine like terms: -16 + 1 = -15
-15 + 2n + 2n = 3n

Combine like terms: 2n + 2n = 4n
-15 + 4n = 3n

Solving
-15 + 4n = 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.
-15 + 4n + -3n = 3n + -3n

Combine like terms: 4n + -3n = 1n
-15 + 1n = 3n + -3n

Combine like terms: 3n + -3n = 0
-15 + 1n = 0

Add '15' to each side of the equation.
-15 + 15 + 1n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 1n = 0 + 15
1n = 0 + 15

Combine like terms: 0 + 15 = 15
1n = 15

Divide each side by '1'.
n = 15

Simplifying
n = 15

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