5z-20=-55

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Solution for 5z-20=-55 equation: 


Simplifying
5z + -20 = -55

Reorder the terms:
-20 + 5z = -55

Solving
-20 + 5z = -55

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 + 5z = -55 + 20

Combine like terms: -20 + 20 = 0
0 + 5z = -55 + 20
5z = -55 + 20

Combine like terms: -55 + 20 = -35
5z = -35

Divide each side by '5'.
z = -7

Simplifying
z = -7

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