7a=12+4a

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Solution for 7a=12+4a equation: 


Simplifying
7a = 12 + 4a

Solving
7a = 12 + 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.
7a + -4a = 12 + 4a + -4a

Combine like terms: 7a + -4a = 3a
3a = 12 + 4a + -4a

Combine like terms: 4a + -4a = 0
3a = 12 + 0
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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