(7-5n)+(13-5n)=

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Solution for (7-5n)+(13-5n)= equation: 


Simplifying
(7 + -5n) + (13 + -5n) = 0

Remove parenthesis around (7 + -5n)
7 + -5n + (13 + -5n) = 0

Remove parenthesis around (13 + -5n)
7 + -5n + 13 + -5n = 0

Reorder the terms:
7 + 13 + -5n + -5n = 0

Combine like terms: 7 + 13 = 20
20 + -5n + -5n = 0

Combine like terms: -5n + -5n = -10n
20 + -10n = 0

Solving
20 + -10n = 0

Solving for variable 'n'.

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

Add '-20' to each side of the equation.
20 + -20 + -10n = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -10n = 0 + -20
-10n = 0 + -20

Combine like terms: 0 + -20 = -20
-10n = -20

Divide each side by '-10'.
n = 2

Simplifying
n = 2

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