2z+9=-1

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Solution for 2z+9=-1 equation: 


Simplifying
2z + 9 = -1

Reorder the terms:
9 + 2z = -1

Solving
9 + 2z = -1

Solving for variable 'z'.

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

Add '-9' to each side of the equation.
9 + -9 + 2z = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 2z = -1 + -9
2z = -1 + -9

Combine like terms: -1 + -9 = -10
2z = -10

Divide each side by '2'.
z = -5

Simplifying
z = -5

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