7a+(4+5a)=12a+4

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Solution for 7a+(4+5a)=12a+4 equation: 


Simplifying
7a + (4 + 5a) = 12a + 4

Remove parenthesis around (4 + 5a)
7a + 4 + 5a = 12a + 4

Reorder the terms:
4 + 7a + 5a = 12a + 4

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

Reorder the terms:
4 + 12a = 4 + 12a

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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