7z-3z=7z-1-z

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Solution for 7z-3z=7z-1-z equation:


Simplifying
7z + -3z = 7z + -1 + -1z

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

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

Combine like terms: 7z + -1z = 6z
4z = -1 + 6z

Solving
4z = -1 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
4z + -6z = -1 + 6z + -6z

Combine like terms: 4z + -6z = -2z
-2z = -1 + 6z + -6z

Combine like terms: 6z + -6z = 0
-2z = -1 + 0
-2z = -1

Divide each side by '-2'.
z = 0.5

Simplifying
z = 0.5

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