3(n+9)+5(n+6)=

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Solution for 3(n+9)+5(n+6)= equation:


Simplifying
3(n + 9) + 5(n + 6) = 0

Reorder the terms:
3(9 + n) + 5(n + 6) = 0
(9 * 3 + n * 3) + 5(n + 6) = 0
(27 + 3n) + 5(n + 6) = 0

Reorder the terms:
27 + 3n + 5(6 + n) = 0
27 + 3n + (6 * 5 + n * 5) = 0
27 + 3n + (30 + 5n) = 0

Reorder the terms:
27 + 30 + 3n + 5n = 0

Combine like terms: 27 + 30 = 57
57 + 3n + 5n = 0

Combine like terms: 3n + 5n = 8n
57 + 8n = 0

Solving
57 + 8n = 0

Solving for variable 'n'.

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

Add '-57' to each side of the equation.
57 + -57 + 8n = 0 + -57

Combine like terms: 57 + -57 = 0
0 + 8n = 0 + -57
8n = 0 + -57

Combine like terms: 0 + -57 = -57
8n = -57

Divide each side by '8'.
n = -7.125

Simplifying
n = -7.125

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