-4(3n+9)+3(n-5)=

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Solution for -4(3n+9)+3(n-5)= equation:


Simplifying
-4(3n + 9) + 3(n + -5) = 0

Reorder the terms:
-4(9 + 3n) + 3(n + -5) = 0
(9 * -4 + 3n * -4) + 3(n + -5) = 0
(-36 + -12n) + 3(n + -5) = 0

Reorder the terms:
-36 + -12n + 3(-5 + n) = 0
-36 + -12n + (-5 * 3 + n * 3) = 0
-36 + -12n + (-15 + 3n) = 0

Reorder the terms:
-36 + -15 + -12n + 3n = 0

Combine like terms: -36 + -15 = -51
-51 + -12n + 3n = 0

Combine like terms: -12n + 3n = -9n
-51 + -9n = 0

Solving
-51 + -9n = 0

Solving for variable 'n'.

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

Add '51' to each side of the equation.
-51 + 51 + -9n = 0 + 51

Combine like terms: -51 + 51 = 0
0 + -9n = 0 + 51
-9n = 0 + 51

Combine like terms: 0 + 51 = 51
-9n = 51

Divide each side by '-9'.
n = -5.666666667

Simplifying
n = -5.666666667

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