3z-27=-21+9z

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Solution for 3z-27=-21+9z equation:


Simplifying
3z + -27 = -21 + 9z

Reorder the terms:
-27 + 3z = -21 + 9z

Solving
-27 + 3z = -21 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-27 + 3z + -9z = -21 + 9z + -9z

Combine like terms: 3z + -9z = -6z
-27 + -6z = -21 + 9z + -9z

Combine like terms: 9z + -9z = 0
-27 + -6z = -21 + 0
-27 + -6z = -21

Add '27' to each side of the equation.
-27 + 27 + -6z = -21 + 27

Combine like terms: -27 + 27 = 0
0 + -6z = -21 + 27
-6z = -21 + 27

Combine like terms: -21 + 27 = 6
-6z = 6

Divide each side by '-6'.
z = -1

Simplifying
z = -1

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