4a-3=12-a

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


Simplifying
4a + -3 = 12 + -1a

Reorder the terms:
-3 + 4a = 12 + -1a

Solving
-3 + 4a = 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.
-3 + 4a + a = 12 + -1a + a

Combine like terms: 4a + a = 5a
-3 + 5a = 12 + -1a + a

Combine like terms: -1a + a = 0
-3 + 5a = 12 + 0
-3 + 5a = 12

Add '3' to each side of the equation.
-3 + 3 + 5a = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 5a = 12 + 3
5a = 12 + 3

Combine like terms: 12 + 3 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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