7z-z=-1+2z-1-10

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Solution for 7z-z=-1+2z-1-10 equation: 


Simplifying
7z + -1z = -1 + 2z + -1 + -10

Combine like terms: 7z + -1z = 6z
6z = -1 + 2z + -1 + -10

Reorder the terms:
6z = -1 + -1 + -10 + 2z

Combine like terms: -1 + -1 = -2
6z = -2 + -10 + 2z

Combine like terms: -2 + -10 = -12
6z = -12 + 2z

Solving
6z = -12 + 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.
6z + -2z = -12 + 2z + -2z

Combine like terms: 6z + -2z = 4z
4z = -12 + 2z + -2z

Combine like terms: 2z + -2z = 0
4z = -12 + 0
4z = -12

Divide each side by '4'.
z = -3

Simplifying
z = -3

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