a-3-4a-12=2a

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Solution for a-3-4a-12=2a equation:


Simplifying
a + -3 + -4a + -12 = 2a

Reorder the terms:
-3 + -12 + a + -4a = 2a

Combine like terms: -3 + -12 = -15
-15 + a + -4a = 2a

Combine like terms: a + -4a = -3a
-15 + -3a = 2a

Solving
-15 + -3a = 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.
-15 + -3a + -2a = 2a + -2a

Combine like terms: -3a + -2a = -5a
-15 + -5a = 2a + -2a

Combine like terms: 2a + -2a = 0
-15 + -5a = 0

Add '15' to each side of the equation.
-15 + 15 + -5a = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -5a = 0 + 15
-5a = 0 + 15

Combine like terms: 0 + 15 = 15
-5a = 15

Divide each side by '-5'.
a = -3

Simplifying
a = -3

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