7z+z=7z-8

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


Simplifying
7z + z = 7z + -8

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

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

Solving
8z = -8 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
8z + -7z = -8 + 7z + -7z

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

Combine like terms: 7z + -7z = 0
1z = -8 + 0
1z = -8

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

Simplifying
z = -8

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