8a-3a=12a

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Solution for 8a-3a=12a equation: 


Simplifying
8a + -3a = 12a

Combine like terms: 8a + -3a = 5a
5a = 12a

Solving
5a = 12a

Solving for variable 'a'.

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

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

Combine like terms: 5a + -12a = -7a
-7a = 12a + -12a

Combine like terms: 12a + -12a = 0
-7a = 0

Divide each side by '-7'.
a = 0

Simplifying
a = 0

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