8z-z=-1+4z-1-1

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Solution for 8z-z=-1+4z-1-1 equation:


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

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

Reorder the terms:
7z = -1 + -1 + -1 + 4z

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

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

Solving
7z = -3 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
7z + -4z = -3 + 4z + -4z

Combine like terms: 7z + -4z = 3z
3z = -3 + 4z + -4z

Combine like terms: 4z + -4z = 0
3z = -3 + 0
3z = -3

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

Simplifying
z = -1

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