-2z-5.5z=22.5

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Solution for -2z-5.5z=22.5 equation: 


Simplifying
-2z + -5.5z = 22.5

Combine like terms: -2z + -5.5z = -7.5z
-7.5z = 22.5

Solving
-7.5z = 22.5

Solving for variable 'z'.

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

Divide each side by '-7.5'.
z = -3

Simplifying
z = -3

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