2a-12=-30

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Solution for 2a-12=-30 equation: 


Simplifying
2a + -12 = -30

Reorder the terms:
-12 + 2a = -30

Solving
-12 + 2a = -30

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 2a = -30 + 12

Combine like terms: -12 + 12 = 0
0 + 2a = -30 + 12
2a = -30 + 12

Combine like terms: -30 + 12 = -18
2a = -18

Divide each side by '2'.
a = -9

Simplifying
a = -9

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