-2n=7n+5n

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Solution for -2n=7n+5n equation: 


Simplifying
-2n = 7n + 5n

Combine like terms: 7n + 5n = 12n
-2n = 12n

Solving
-2n = 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
-2n + -12n = 12n + -12n

Combine like terms: -2n + -12n = -14n
-14n = 12n + -12n

Combine like terms: 12n + -12n = 0
-14n = 0

Divide each side by '-14'.
n = 0

Simplifying
n = 0

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