7a+5a=a

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Solution for 7a+5a=a equation: 


Simplifying
7a + 5a = a

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

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

Combine like terms: 12a + -1a = 11a
11a = a + -1a

Combine like terms: a + -1a = 0
11a = 0

Divide each side by '11'.
a = 0

Simplifying
a = 0

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