(13n+5)-(3n+6)=99

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Solution for (13n+5)-(3n+6)=99 equation:


Simplifying
(13n + 5) + -1(3n + 6) = 99

Reorder the terms:
(5 + 13n) + -1(3n + 6) = 99

Remove parenthesis around (5 + 13n)
5 + 13n + -1(3n + 6) = 99

Reorder the terms:
5 + 13n + -1(6 + 3n) = 99
5 + 13n + (6 * -1 + 3n * -1) = 99
5 + 13n + (-6 + -3n) = 99

Reorder the terms:
5 + -6 + 13n + -3n = 99

Combine like terms: 5 + -6 = -1
-1 + 13n + -3n = 99

Combine like terms: 13n + -3n = 10n
-1 + 10n = 99

Solving
-1 + 10n = 99

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 10n = 99 + 1

Combine like terms: -1 + 1 = 0
0 + 10n = 99 + 1
10n = 99 + 1

Combine like terms: 99 + 1 = 100
10n = 100

Divide each side by '10'.
n = 10

Simplifying
n = 10

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