3a+4a-7a=

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Solution for 3a+4a-7a= equation: 


Simplifying
3a + 4a + -7a = 0

Combine like terms: 3a + 4a = 7a
7a + -7a = 0

Combine like terms: 7a + -7a = 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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