2z-30+3z=180

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Solution for 2z-30+3z=180 equation: 


Simplifying
2z + -30 + 3z = 180

Reorder the terms:
-30 + 2z + 3z = 180

Combine like terms: 2z + 3z = 5z
-30 + 5z = 180

Solving
-30 + 5z = 180

Solving for variable 'z'.

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

Add '30' to each side of the equation.
-30 + 30 + 5z = 180 + 30

Combine like terms: -30 + 30 = 0
0 + 5z = 180 + 30
5z = 180 + 30

Combine like terms: 180 + 30 = 210
5z = 210

Divide each side by '5'.
z = 42

Simplifying
z = 42

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