3z+18+72=180

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Solution for 3z+18+72=180 equation: 


Simplifying
3z + 18 + 72 = 180

Reorder the terms:
18 + 72 + 3z = 180

Combine like terms: 18 + 72 = 90
90 + 3z = 180

Solving
90 + 3z = 180

Solving for variable 'z'.

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

Add '-90' to each side of the equation.
90 + -90 + 3z = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 3z = 180 + -90
3z = 180 + -90

Combine like terms: 180 + -90 = 90
3z = 90

Divide each side by '3'.
z = 30

Simplifying
z = 30

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