-4(2z+9)=

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Solution for -4(2z+9)= equation: 


Simplifying
-4(2z + 9) = 0

Reorder the terms:
-4(9 + 2z) = 0
(9 * -4 + 2z * -4) = 0
(-36 + -8z) = 0

Solving
-36 + -8z = 0

Solving for variable 'z'.

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

Add '36' to each side of the equation.
-36 + 36 + -8z = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -8z = 0 + 36
-8z = 0 + 36

Combine like terms: 0 + 36 = 36
-8z = 36

Divide each side by '-8'.
z = -4.5

Simplifying
z = -4.5

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