4+7a+5a=4

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Solution for 4+7a+5a=4 equation: 


Simplifying
4 + 7a + 5a = 4

Combine like terms: 7a + 5a = 12a
4 + 12a = 4

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

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

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

Solving
12a = 0

Solving for variable 'a'.

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

Divide each side by '12'.
a = 0

Simplifying
a = 0

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