4n-12=-57-9n

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Solution for 4n-12=-57-9n equation:


Simplifying
4n + -12 = -57 + -9n

Reorder the terms:
-12 + 4n = -57 + -9n

Solving
-12 + 4n = -57 + -9n

Solving for variable 'n'.

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

Add '9n' to each side of the equation.
-12 + 4n + 9n = -57 + -9n + 9n

Combine like terms: 4n + 9n = 13n
-12 + 13n = -57 + -9n + 9n

Combine like terms: -9n + 9n = 0
-12 + 13n = -57 + 0
-12 + 13n = -57

Add '12' to each side of the equation.
-12 + 12 + 13n = -57 + 12

Combine like terms: -12 + 12 = 0
0 + 13n = -57 + 12
13n = -57 + 12

Combine like terms: -57 + 12 = -45
13n = -45

Divide each side by '13'.
n = -3.461538462

Simplifying
n = -3.461538462

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