a-4=12-3a+2a

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


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

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

Combine like terms: -3a + 2a = -1a
-4 + a = 12 + -1a

Solving
-4 + a = 12 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-4 + a + a = 12 + -1a + a

Combine like terms: a + a = 2a
-4 + 2a = 12 + -1a + a

Combine like terms: -1a + a = 0
-4 + 2a = 12 + 0
-4 + 2a = 12

Add '4' to each side of the equation.
-4 + 4 + 2a = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 12 + 4
2a = 12 + 4

Combine like terms: 12 + 4 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

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