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

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


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

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

Reorder the terms:
1z = 9 + 7z + -1z

Combine like terms: 7z + -1z = 6z
1z = 9 + 6z

Solving
1z = 9 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
1z + -6z = 9 + 6z + -6z

Combine like terms: 1z + -6z = -5z
-5z = 9 + 6z + -6z

Combine like terms: 6z + -6z = 0
-5z = 9 + 0
-5z = 9

Divide each side by '-5'.
z = -1.8

Simplifying
z = -1.8

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