z-5=7z-9-z

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Solution for z-5=7z-9-z equation:


Simplifying
z + -5 = 7z + -9 + -1z

Reorder the terms:
-5 + z = 7z + -9 + -1z

Reorder the terms:
-5 + z = -9 + 7z + -1z

Combine like terms: 7z + -1z = 6z
-5 + z = -9 + 6z

Solving
-5 + z = -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.
-5 + z + -6z = -9 + 6z + -6z

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

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

Add '5' to each side of the equation.
-5 + 5 + -5z = -9 + 5

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

Combine like terms: -9 + 5 = -4
-5z = -4

Divide each side by '-5'.
z = 0.8

Simplifying
z = 0.8

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