6(3n-9)+45=12-4(9-2n)

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Solution for 6(3n-9)+45=12-4(9-2n) equation:


Simplifying
6(3n + -9) + 45 = 12 + -4(9 + -2n)

Reorder the terms:
6(-9 + 3n) + 45 = 12 + -4(9 + -2n)
(-9 * 6 + 3n * 6) + 45 = 12 + -4(9 + -2n)
(-54 + 18n) + 45 = 12 + -4(9 + -2n)

Reorder the terms:
-54 + 45 + 18n = 12 + -4(9 + -2n)

Combine like terms: -54 + 45 = -9
-9 + 18n = 12 + -4(9 + -2n)
-9 + 18n = 12 + (9 * -4 + -2n * -4)
-9 + 18n = 12 + (-36 + 8n)

Combine like terms: 12 + -36 = -24
-9 + 18n = -24 + 8n

Solving
-9 + 18n = -24 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-9 + 18n + -8n = -24 + 8n + -8n

Combine like terms: 18n + -8n = 10n
-9 + 10n = -24 + 8n + -8n

Combine like terms: 8n + -8n = 0
-9 + 10n = -24 + 0
-9 + 10n = -24

Add '9' to each side of the equation.
-9 + 9 + 10n = -24 + 9

Combine like terms: -9 + 9 = 0
0 + 10n = -24 + 9
10n = -24 + 9

Combine like terms: -24 + 9 = -15
10n = -15

Divide each side by '10'.
n = -1.5

Simplifying
n = -1.5

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