12=-5n-7n

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Solution for 12=-5n-7n equation:


Simplifying
12 = -5n + -7n

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

Solving
12 = -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.
12 + 12n = -12n + 12n

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

Add '-12' to each side of the equation.
12 + -12 + 12n = 0 + -12

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

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

Divide each side by '12'.
n = -1

Simplifying
n = -1

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