7z-1+13z+1=180

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Solution for 7z-1+13z+1=180 equation: 


Simplifying
7z + -1 + 13z + 1 = 180

Reorder the terms:
-1 + 1 + 7z + 13z = 180

Combine like terms: -1 + 1 = 0
0 + 7z + 13z = 180
7z + 13z = 180

Combine like terms: 7z + 13z = 20z
20z = 180

Solving
20z = 180

Solving for variable 'z'.

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

Divide each side by '20'.
z = 9

Simplifying
z = 9

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