2a+12=3

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Solution for 2a+12=3 equation: 


Simplifying
2a + 12 = 3

Reorder the terms:
12 + 2a = 3

Solving
12 + 2a = 3

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 = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 3 + -12
2a = 3 + -12

Combine like terms: 3 + -12 = -9
2a = -9

Divide each side by '2'.
a = -4.5

Simplifying
a = -4.5

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