-2z-9=-z+11

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Solution for -2z-9=-z+11 equation:


Simplifying
-2z + -9 = -1z + 11

Reorder the terms:
-9 + -2z = -1z + 11

Reorder the terms:
-9 + -2z = 11 + -1z

Solving
-9 + -2z = 11 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
-9 + -2z + z = 11 + -1z + z

Combine like terms: -2z + z = -1z
-9 + -1z = 11 + -1z + z

Combine like terms: -1z + z = 0
-9 + -1z = 11 + 0
-9 + -1z = 11

Add '9' to each side of the equation.
-9 + 9 + -1z = 11 + 9

Combine like terms: -9 + 9 = 0
0 + -1z = 11 + 9
-1z = 11 + 9

Combine like terms: 11 + 9 = 20
-1z = 20

Divide each side by '-1'.
z = -20

Simplifying
z = -20

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