2(2z-9)=

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Solution for 2(2z-9)= equation: 


Simplifying
2(2z + -9) = 0

Reorder the terms:
2(-9 + 2z) = 0
(-9 * 2 + 2z * 2) = 0
(-18 + 4z) = 0

Solving
-18 + 4z = 0

Solving for variable 'z'.

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

Add '18' to each side of the equation.
-18 + 18 + 4z = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 4z = 0 + 18
4z = 0 + 18

Combine like terms: 0 + 18 = 18
4z = 18

Divide each side by '4'.
z = 4.5

Simplifying
z = 4.5

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