3a-12a+30a=

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Solution for 3a-12a+30a= equation: 


Simplifying
3a + -12a + 30a = 0

Combine like terms: 3a + -12a = -9a
-9a + 30a = 0

Combine like terms: -9a + 30a = 21a
21a = 0

Solving
21a = 0

Solving for variable 'a'.

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

Divide each side by '21'.
a = 0

Simplifying
a = 0

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