9+-z+3+-2n=

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Solution for 9+-z+3+-2n= equation:


Simplifying
9 + -1z + 3 + -2n = 0

Reorder the terms:
9 + 3 + -2n + -1z = 0

Combine like terms: 9 + 3 = 12
12 + -2n + -1z = 0

Solving
12 + -2n + -1z = 0

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -2n + -12 + -1z = 0 + -12

Reorder the terms:
12 + -12 + -2n + -1z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2n + -1z = 0 + -12
-2n + -1z = 0 + -12

Combine like terms: 0 + -12 = -12
-2n + -1z = -12

Add 'z' to each side of the equation.
-2n + -1z + z = -12 + z

Combine like terms: -1z + z = 0
-2n + 0 = -12 + z
-2n = -12 + z

Divide each side by '-2'.
n = 6 + -0.5z

Simplifying
n = 6 + -0.5z

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