z+72+90=180

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Solution for z+72+90=180 equation: 


Simplifying
z + 72 + 90 = 180

Reorder the terms:
72 + 90 + z = 180

Combine like terms: 72 + 90 = 162
162 + z = 180

Solving
162 + z = 180

Solving for variable 'z'.

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

Add '-162' to each side of the equation.
162 + -162 + z = 180 + -162

Combine like terms: 162 + -162 = 0
0 + z = 180 + -162
z = 180 + -162

Combine like terms: 180 + -162 = 18
z = 18

Simplifying
z = 18

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