-9(4z-5)=18

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Solution for -9(4z-5)=18 equation: 


Simplifying
-9(4z + -5) = 18

Reorder the terms:
-9(-5 + 4z) = 18
(-5 * -9 + 4z * -9) = 18
(45 + -36z) = 18

Solving
45 + -36z = 18

Solving for variable 'z'.

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

Add '-45' to each side of the equation.
45 + -45 + -36z = 18 + -45

Combine like terms: 45 + -45 = 0
0 + -36z = 18 + -45
-36z = 18 + -45

Combine like terms: 18 + -45 = -27
-36z = -27

Divide each side by '-36'.
z = 0.75

Simplifying
z = 0.75

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