7z-4z=9z-8-z

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Solution for 7z-4z=9z-8-z equation:


Simplifying
7z + -4z = 9z + -8 + -1z

Combine like terms: 7z + -4z = 3z
3z = 9z + -8 + -1z

Reorder the terms:
3z = -8 + 9z + -1z

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

Solving
3z = -8 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
3z + -8z = -8 + 8z + -8z

Combine like terms: 3z + -8z = -5z
-5z = -8 + 8z + -8z

Combine like terms: 8z + -8z = 0
-5z = -8 + 0
-5z = -8

Divide each side by '-5'.
z = 1.6

Simplifying
z = 1.6

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