10z-z=-1+2z-1-12

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Solution for 10z-z=-1+2z-1-12 equation: 


Simplifying
10z + -1z = -1 + 2z + -1 + -12

Combine like terms: 10z + -1z = 9z
9z = -1 + 2z + -1 + -12

Reorder the terms:
9z = -1 + -1 + -12 + 2z

Combine like terms: -1 + -1 = -2
9z = -2 + -12 + 2z

Combine like terms: -2 + -12 = -14
9z = -14 + 2z

Solving
9z = -14 + 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.
9z + -2z = -14 + 2z + -2z

Combine like terms: 9z + -2z = 7z
7z = -14 + 2z + -2z

Combine like terms: 2z + -2z = 0
7z = -14 + 0
7z = -14

Divide each side by '7'.
z = -2

Simplifying
z = -2

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