30-a=30

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Solution for 30-a=30 equation: 


Simplifying
30 + -1a = 30

Add '-30' to each side of the equation.
30 + -30 + -1a = 30 + -30

Combine like terms: 30 + -30 = 0
0 + -1a = 30 + -30
-1a = 30 + -30

Combine like terms: 30 + -30 = 0
-1a = 0

Solving
-1a = 0

Solving for variable 'a'.

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

Divide each side by '-1'.
a = 0

Simplifying
a = 0

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