21=z-11

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Solution for 21=z-11 equation:


Simplifying
21 = z + -11

Reorder the terms:
21 = -11 + z

Solving
21 = -11 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
21 + -1z = -11 + z + -1z

Combine like terms: z + -1z = 0
21 + -1z = -11 + 0
21 + -1z = -11

Add '-21' to each side of the equation.
21 + -21 + -1z = -11 + -21

Combine like terms: 21 + -21 = 0
0 + -1z = -11 + -21
-1z = -11 + -21

Combine like terms: -11 + -21 = -32
-1z = -32

Divide each side by '-1'.
z = 32

Simplifying
z = 32

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