3(n+9)+4(n-2)=

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Solution for 3(n+9)+4(n-2)= equation:


Simplifying
3(n + 9) + 4(n + -2) = 0

Reorder the terms:
3(9 + n) + 4(n + -2) = 0
(9 * 3 + n * 3) + 4(n + -2) = 0
(27 + 3n) + 4(n + -2) = 0

Reorder the terms:
27 + 3n + 4(-2 + n) = 0
27 + 3n + (-2 * 4 + n * 4) = 0
27 + 3n + (-8 + 4n) = 0

Reorder the terms:
27 + -8 + 3n + 4n = 0

Combine like terms: 27 + -8 = 19
19 + 3n + 4n = 0

Combine like terms: 3n + 4n = 7n
19 + 7n = 0

Solving
19 + 7n = 0

Solving for variable 'n'.

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

Add '-19' to each side of the equation.
19 + -19 + 7n = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 7n = 0 + -19
7n = 0 + -19

Combine like terms: 0 + -19 = -19
7n = -19

Divide each side by '7'.
n = -2.714285714

Simplifying
n = -2.714285714

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