9z-27=18z

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Solution for 9z-27=18z equation:


Simplifying
9z + -27 = 18z

Reorder the terms:
-27 + 9z = 18z

Solving
-27 + 9z = 18z

Solving for variable 'z'.

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

Add '-18z' to each side of the equation.
-27 + 9z + -18z = 18z + -18z

Combine like terms: 9z + -18z = -9z
-27 + -9z = 18z + -18z

Combine like terms: 18z + -18z = 0
-27 + -9z = 0

Add '27' to each side of the equation.
-27 + 27 + -9z = 0 + 27

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

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

Divide each side by '-9'.
z = -3

Simplifying
z = -3

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