a+12=3a

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Solution for a+12=3a equation:


Simplifying
a + 12 = 3a

Reorder the terms:
12 + a = 3a

Solving
12 + a = 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12 + a + -3a = 3a + -3a

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

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

Add '-12' to each side of the equation.
12 + -12 + -2a = 0 + -12

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

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

Divide each side by '-2'.
a = 6

Simplifying
a = 6

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