2a-2=12

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Solution for 2a-2=12 equation: 


Simplifying
2a + -2 = 12

Reorder the terms:
-2 + 2a = 12

Solving
-2 + 2a = 12

Solving for variable 'a'.

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

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

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

Combine like terms: 12 + 2 = 14
2a = 14

Divide each side by '2'.
a = 7

Simplifying
a = 7

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