-6z+21=12n-15

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Solution for -6z+21=12n-15 equation:


Simplifying
-6z + 21 = 12n + -15

Reorder the terms:
21 + -6z = 12n + -15

Reorder the terms:
21 + -6z = -15 + 12n

Solving
21 + -6z = -15 + 12n

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + -6z = -15 + -21 + 12n

Combine like terms: 21 + -21 = 0
0 + -6z = -15 + -21 + 12n
-6z = -15 + -21 + 12n

Combine like terms: -15 + -21 = -36
-6z = -36 + 12n

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

Simplifying
z = 6 + -2n

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