-3n-9=1+7n

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Solution for -3n-9=1+7n equation:


Simplifying
-3n + -9 = 1 + 7n

Reorder the terms:
-9 + -3n = 1 + 7n

Solving
-9 + -3n = 1 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-9 + -3n + -7n = 1 + 7n + -7n

Combine like terms: -3n + -7n = -10n
-9 + -10n = 1 + 7n + -7n

Combine like terms: 7n + -7n = 0
-9 + -10n = 1 + 0
-9 + -10n = 1

Add '9' to each side of the equation.
-9 + 9 + -10n = 1 + 9

Combine like terms: -9 + 9 = 0
0 + -10n = 1 + 9
-10n = 1 + 9

Combine like terms: 1 + 9 = 10
-10n = 10

Divide each side by '-10'.
n = -1

Simplifying
n = -1

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