(5a^3+a-7)-(3-7a^3-7a^2)=

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Solution for (5a^3+a-7)-(3-7a^3-7a^2)= equation: 


Simplifying
(5a3 + a + -7) + -1(3 + -7a3 + -7a2) = 0

Reorder the terms:
(-7 + a + 5a3) + -1(3 + -7a3 + -7a2) = 0

Remove parenthesis around (-7 + a + 5a3)
-7 + a + 5a3 + -1(3 + -7a3 + -7a2) = 0

Reorder the terms:
-7 + a + 5a3 + -1(3 + -7a2 + -7a3) = 0
-7 + a + 5a3 + (3 * -1 + -7a2 * -1 + -7a3 * -1) = 0
-7 + a + 5a3 + (-3 + 7a2 + 7a3) = 0

Reorder the terms:
-7 + -3 + a + 7a2 + 5a3 + 7a3 = 0

Combine like terms: -7 + -3 = -10
-10 + a + 7a2 + 5a3 + 7a3 = 0

Combine like terms: 5a3 + 7a3 = 12a3
-10 + a + 7a2 + 12a3 = 0

Solving
-10 + a + 7a2 + 12a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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