5a-3-9=a

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Solution for 5a-3-9=a equation:


Simplifying
5a + -3 + -9 = a

Reorder the terms:
-3 + -9 + 5a = a

Combine like terms: -3 + -9 = -12
-12 + 5a = a

Solving
-12 + 5a = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-12 + 5a + -1a = a + -1a

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

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

Add '12' to each side of the equation.
-12 + 12 + 4a = 0 + 12

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

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

Divide each side by '4'.
a = 3

Simplifying
a = 3

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