4z-z=8z-2-7z

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Solution for 4z-z=8z-2-7z equation:


Simplifying
4z + -1z = 8z + -2 + -7z

Combine like terms: 4z + -1z = 3z
3z = 8z + -2 + -7z

Reorder the terms:
3z = -2 + 8z + -7z

Combine like terms: 8z + -7z = 1z
3z = -2 + 1z

Solving
3z = -2 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
3z + -1z = -2 + 1z + -1z

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

Combine like terms: 1z + -1z = 0
2z = -2 + 0
2z = -2

Divide each side by '2'.
z = -1

Simplifying
z = -1

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