7-9z+17z=-81

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Solution for 7-9z+17z=-81 equation: 


Simplifying
7 + -9z + 17z = -81

Combine like terms: -9z + 17z = 8z
7 + 8z = -81

Solving
7 + 8z = -81

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + 8z = -81 + -7

Combine like terms: 7 + -7 = 0
0 + 8z = -81 + -7
8z = -81 + -7

Combine like terms: -81 + -7 = -88
8z = -88

Divide each side by '8'.
z = -11

Simplifying
z = -11

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