3(-9-13n)=-3(6n-12)

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Solution for 3(-9-13n)=-3(6n-12) equation:


Simplifying
3(-9 + -13n) = -3(6n + -12)
(-9 * 3 + -13n * 3) = -3(6n + -12)
(-27 + -39n) = -3(6n + -12)

Reorder the terms:
-27 + -39n = -3(-12 + 6n)
-27 + -39n = (-12 * -3 + 6n * -3)
-27 + -39n = (36 + -18n)

Solving
-27 + -39n = 36 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
-27 + -39n + 18n = 36 + -18n + 18n

Combine like terms: -39n + 18n = -21n
-27 + -21n = 36 + -18n + 18n

Combine like terms: -18n + 18n = 0
-27 + -21n = 36 + 0
-27 + -21n = 36

Add '27' to each side of the equation.
-27 + 27 + -21n = 36 + 27

Combine like terms: -27 + 27 = 0
0 + -21n = 36 + 27
-21n = 36 + 27

Combine like terms: 36 + 27 = 63
-21n = 63

Divide each side by '-21'.
n = -3

Simplifying
n = -3

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