13=5(1+2n)-4(n-4)

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Solution for 13=5(1+2n)-4(n-4) equation:


Simplifying
13 = 5(1 + 2n) + -4(n + -4)
13 = (1 * 5 + 2n * 5) + -4(n + -4)
13 = (5 + 10n) + -4(n + -4)

Reorder the terms:
13 = 5 + 10n + -4(-4 + n)
13 = 5 + 10n + (-4 * -4 + n * -4)
13 = 5 + 10n + (16 + -4n)

Reorder the terms:
13 = 5 + 16 + 10n + -4n

Combine like terms: 5 + 16 = 21
13 = 21 + 10n + -4n

Combine like terms: 10n + -4n = 6n
13 = 21 + 6n

Solving
13 = 21 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
13 + -6n = 21 + 6n + -6n

Combine like terms: 6n + -6n = 0
13 + -6n = 21 + 0
13 + -6n = 21

Add '-13' to each side of the equation.
13 + -13 + -6n = 21 + -13

Combine like terms: 13 + -13 = 0
0 + -6n = 21 + -13
-6n = 21 + -13

Combine like terms: 21 + -13 = 8
-6n = 8

Divide each side by '-6'.
n = -1.333333333

Simplifying
n = -1.333333333

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