(-2z-7)(-8+5)=0

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Solution for (-2z-7)(-8+5)=0 equation:


Simplifying
(-2z + -7)(-8 + 5) = 0

Reorder the terms:
(-7 + -2z)(-8 + 5) = 0

Combine like terms: -8 + 5 = -3
(-7 + -2z)(-3) = 0

Reorder the terms for easier multiplication:
-3(-7 + -2z) = 0
(-7 * -3 + -2z * -3) = 0
(21 + 6z) = 0

Solving
21 + 6z = 0

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 6z = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 6z = 0 + -21
6z = 0 + -21

Combine like terms: 0 + -21 = -21
6z = -21

Divide each side by '6'.
z = -3.5

Simplifying
z = -3.5

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