7z+8=7z-z

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Solution for 7z+8=7z-z equation:


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

Reorder the terms:
8 + 7z = 7z + -1z

Combine like terms: 7z + -1z = 6z
8 + 7z = 6z

Solving
8 + 7z = 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.
8 + 7z + -6z = 6z + -6z

Combine like terms: 7z + -6z = 1z
8 + 1z = 6z + -6z

Combine like terms: 6z + -6z = 0
8 + 1z = 0

Add '-8' to each side of the equation.
8 + -8 + 1z = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 1z = 0 + -8
1z = 0 + -8

Combine like terms: 0 + -8 = -8
1z = -8

Divide each side by '1'.
z = -8

Simplifying
z = -8

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