12a-3=4a+13

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Solution for 12a-3=4a+13 equation:


Simplifying
12a + -3 = 4a + 13

Reorder the terms:
-3 + 12a = 4a + 13

Reorder the terms:
-3 + 12a = 13 + 4a

Solving
-3 + 12a = 13 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-3 + 12a + -4a = 13 + 4a + -4a

Combine like terms: 12a + -4a = 8a
-3 + 8a = 13 + 4a + -4a

Combine like terms: 4a + -4a = 0
-3 + 8a = 13 + 0
-3 + 8a = 13

Add '3' to each side of the equation.
-3 + 3 + 8a = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 8a = 13 + 3
8a = 13 + 3

Combine like terms: 13 + 3 = 16
8a = 16

Divide each side by '8'.
a = 2

Simplifying
a = 2

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