12a+5a=(12+5)a

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


Simplifying
12a + 5a = (12 + 5) * a

Combine like terms: 12a + 5a = 17a
17a = (12 + 5) * a

Combine like terms: 12 + 5 = 17
17a = (17) * a

Add '-17a' to each side of the equation.
17a + -17a = 17a + -17a

Combine like terms: 17a + -17a = 0
0 = 17a + -17a

Combine like terms: 17a + -17a = 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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