9z-z=-1+2z-1-4

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Solution for 9z-z=-1+2z-1-4 equation:


Simplifying
9z + -1z = -1 + 2z + -1 + -4

Combine like terms: 9z + -1z = 8z
8z = -1 + 2z + -1 + -4

Reorder the terms:
8z = -1 + -1 + -4 + 2z

Combine like terms: -1 + -1 = -2
8z = -2 + -4 + 2z

Combine like terms: -2 + -4 = -6
8z = -6 + 2z

Solving
8z = -6 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
8z + -2z = -6 + 2z + -2z

Combine like terms: 8z + -2z = 6z
6z = -6 + 2z + -2z

Combine like terms: 2z + -2z = 0
6z = -6 + 0
6z = -6

Divide each side by '6'.
z = -1

Simplifying
z = -1

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