2z-9=-11

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Solution for 2z-9=-11 equation: 


Simplifying
2z + -9 = -11

Reorder the terms:
-9 + 2z = -11

Solving
-9 + 2z = -11

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 = -11 + 9

Combine like terms: -9 + 9 = 0
0 + 2z = -11 + 9
2z = -11 + 9

Combine like terms: -11 + 9 = -2
2z = -2

Divide each side by '2'.
z = -1

Simplifying
z = -1

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