8z+15=-9

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Solution for 8z+15=-9 equation: 


Simplifying
8z + 15 = -9

Reorder the terms:
15 + 8z = -9

Solving
15 + 8z = -9

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + 8z = -9 + -15

Combine like terms: 15 + -15 = 0
0 + 8z = -9 + -15
8z = -9 + -15

Combine like terms: -9 + -15 = -24
8z = -24

Divide each side by '8'.
z = -3

Simplifying
z = -3

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