9(z-3)=-12z

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Solution for 9(z-3)=-12z equation:


Simplifying
9(z + -3) = -12z

Reorder the terms:
9(-3 + z) = -12z
(-3 * 9 + z * 9) = -12z
(-27 + 9z) = -12z

Solving
-27 + 9z = -12z

Solving for variable 'z'.

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

Add '12z' to each side of the equation.
-27 + 9z + 12z = -12z + 12z

Combine like terms: 9z + 12z = 21z
-27 + 21z = -12z + 12z

Combine like terms: -12z + 12z = 0
-27 + 21z = 0

Add '27' to each side of the equation.
-27 + 27 + 21z = 0 + 27

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

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

Divide each side by '21'.
z = 1.285714286

Simplifying
z = 1.285714286

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