-8z+9z-7z=30

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Solution for -8z+9z-7z=30 equation: 


Simplifying
-8z + 9z + -7z = 30

Combine like terms: -8z + 9z = 1z
1z + -7z = 30

Combine like terms: 1z + -7z = -6z
-6z = 30

Solving
-6z = 30

Solving for variable 'z'.

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

Divide each side by '-6'.
z = -5

Simplifying
z = -5

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