-78+6n=18(n+9)

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Solution for -78+6n=18(n+9) equation:


Simplifying
-78 + 6n = 18(n + 9)

Reorder the terms:
-78 + 6n = 18(9 + n)
-78 + 6n = (9 * 18 + n * 18)
-78 + 6n = (162 + 18n)

Solving
-78 + 6n = 162 + 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.
-78 + 6n + -18n = 162 + 18n + -18n

Combine like terms: 6n + -18n = -12n
-78 + -12n = 162 + 18n + -18n

Combine like terms: 18n + -18n = 0
-78 + -12n = 162 + 0
-78 + -12n = 162

Add '78' to each side of the equation.
-78 + 78 + -12n = 162 + 78

Combine like terms: -78 + 78 = 0
0 + -12n = 162 + 78
-12n = 162 + 78

Combine like terms: 162 + 78 = 240
-12n = 240

Divide each side by '-12'.
n = -20

Simplifying
n = -20

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