8z+10-z=129

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Solution for 8z+10-z=129 equation:


Simplifying
8z + 10 + -1z = 129

Reorder the terms:
10 + 8z + -1z = 129

Combine like terms: 8z + -1z = 7z
10 + 7z = 129

Solving
10 + 7z = 129

Solving for variable 'z'.

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

Add '-10' to each side of the equation.
10 + -10 + 7z = 129 + -10

Combine like terms: 10 + -10 = 0
0 + 7z = 129 + -10
7z = 129 + -10

Combine like terms: 129 + -10 = 119
7z = 119

Divide each side by '7'.
z = 17

Simplifying
z = 17

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