9-2z=11

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Solution for 9-2z=11 equation: 


Simplifying
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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