2z+21=11

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Solution for 2z+21=11 equation: 


Simplifying
2z + 21 = 11

Reorder the terms:
21 + 2z = 11

Solving
21 + 2z = 11

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 2z = 11 + -21

Combine like terms: 21 + -21 = 0
0 + 2z = 11 + -21
2z = 11 + -21

Combine like terms: 11 + -21 = -10
2z = -10

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

Simplifying
z = -5

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