12=2a-2

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Solution for 12=2a-2 equation:


Simplifying
12 = 2a + -2

Reorder the terms:
12 = -2 + 2a

Solving
12 = -2 + 2a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '-2'.
a = 7

Simplifying
a = 7

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