4z-(21)=11

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Solution for 4z-(21)=11 equation: 


Simplifying
4z + -1(21) = 11

Multiply -1 * 21
4z + -21 = 11

Reorder the terms:
-21 + 4z = 11

Solving
-21 + 4z = 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 + 4z = 11 + 21

Combine like terms: -21 + 21 = 0
0 + 4z = 11 + 21
4z = 11 + 21

Combine like terms: 11 + 21 = 32
4z = 32

Divide each side by '4'.
z = 8

Simplifying
z = 8

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