10z-z=-1+8z-1-1

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Solution for 10z-z=-1+8z-1-1 equation:


Simplifying
10z + -1z = -1 + 8z + -1 + -1

Combine like terms: 10z + -1z = 9z
9z = -1 + 8z + -1 + -1

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

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

Combine like terms: -2 + -1 = -3
9z = -3 + 8z

Solving
9z = -3 + 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.
9z + -8z = -3 + 8z + -8z

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

Combine like terms: 8z + -8z = 0
1z = -3 + 0
1z = -3

Divide each side by '1'.
z = -3

Simplifying
z = -3

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