-z+8z=3z-9-7z

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Solution for -z+8z=3z-9-7z equation:


Simplifying
-1z + 8z = 3z + -9 + -7z

Combine like terms: -1z + 8z = 7z
7z = 3z + -9 + -7z

Reorder the terms:
7z = -9 + 3z + -7z

Combine like terms: 3z + -7z = -4z
7z = -9 + -4z

Solving
7z = -9 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
7z + 4z = -9 + -4z + 4z

Combine like terms: 7z + 4z = 11z
11z = -9 + -4z + 4z

Combine like terms: -4z + 4z = 0
11z = -9 + 0
11z = -9

Divide each side by '11'.
z = -0.8181818182

Simplifying
z = -0.8181818182

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