-10n+12=-3n-9

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Solution for -10n+12=-3n-9 equation:


Simplifying
-10n + 12 = -3n + -9

Reorder the terms:
12 + -10n = -3n + -9

Reorder the terms:
12 + -10n = -9 + -3n

Solving
12 + -10n = -9 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
12 + -10n + 3n = -9 + -3n + 3n

Combine like terms: -10n + 3n = -7n
12 + -7n = -9 + -3n + 3n

Combine like terms: -3n + 3n = 0
12 + -7n = -9 + 0
12 + -7n = -9

Add '-12' to each side of the equation.
12 + -12 + -7n = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -7n = -9 + -12
-7n = -9 + -12

Combine like terms: -9 + -12 = -21
-7n = -21

Divide each side by '-7'.
n = 3

Simplifying
n = 3

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