9(n+8)+9(n+9)=

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Solution for 9(n+8)+9(n+9)= equation:


Simplifying
9(n + 8) + 9(n + 9) = 0

Reorder the terms:
9(8 + n) + 9(n + 9) = 0
(8 * 9 + n * 9) + 9(n + 9) = 0
(72 + 9n) + 9(n + 9) = 0

Reorder the terms:
72 + 9n + 9(9 + n) = 0
72 + 9n + (9 * 9 + n * 9) = 0
72 + 9n + (81 + 9n) = 0

Reorder the terms:
72 + 81 + 9n + 9n = 0

Combine like terms: 72 + 81 = 153
153 + 9n + 9n = 0

Combine like terms: 9n + 9n = 18n
153 + 18n = 0

Solving
153 + 18n = 0

Solving for variable 'n'.

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

Add '-153' to each side of the equation.
153 + -153 + 18n = 0 + -153

Combine like terms: 153 + -153 = 0
0 + 18n = 0 + -153
18n = 0 + -153

Combine like terms: 0 + -153 = -153
18n = -153

Divide each side by '18'.
n = -8.5

Simplifying
n = -8.5

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