9=-5-5n-5n

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Solution for 9=-5-5n-5n equation:


Simplifying
9 = -5 + -5n + -5n

Combine like terms: -5n + -5n = -10n
9 = -5 + -10n

Solving
9 = -5 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
9 + 10n = -5 + -10n + 10n

Combine like terms: -10n + 10n = 0
9 + 10n = -5 + 0
9 + 10n = -5

Add '-9' to each side of the equation.
9 + -9 + 10n = -5 + -9

Combine like terms: 9 + -9 = 0
0 + 10n = -5 + -9
10n = -5 + -9

Combine like terms: -5 + -9 = -14
10n = -14

Divide each side by '10'.
n = -1.4

Simplifying
n = -1.4

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