4z-20=11

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Solution for 4z-20=11 equation:


Simplifying
4z + -20 = 11

Reorder the terms:
-20 + 4z = 11

Solving
-20 + 4z = 11

Solving for variable 'z'.

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

Add '20' to each side of the equation.
-20 + 20 + 4z = 11 + 20

Combine like terms: -20 + 20 = 0
0 + 4z = 11 + 20
4z = 11 + 20

Combine like terms: 11 + 20 = 31
4z = 31

Divide each side by '4'.
z = 7.75

Simplifying
z = 7.75

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