n+4(n+9)+20=

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Solution for n+4(n+9)+20= equation:


Simplifying
n + 4(n + 9) + 20 = 0

Reorder the terms:
n + 4(9 + n) + 20 = 0
n + (9 * 4 + n * 4) + 20 = 0
n + (36 + 4n) + 20 = 0

Reorder the terms:
36 + 20 + n + 4n = 0

Combine like terms: 36 + 20 = 56
56 + n + 4n = 0

Combine like terms: n + 4n = 5n
56 + 5n = 0

Solving
56 + 5n = 0

Solving for variable 'n'.

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

Add '-56' to each side of the equation.
56 + -56 + 5n = 0 + -56

Combine like terms: 56 + -56 = 0
0 + 5n = 0 + -56
5n = 0 + -56

Combine like terms: 0 + -56 = -56
5n = -56

Divide each side by '5'.
n = -11.2

Simplifying
n = -11.2

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