(7y^3-8y^2-9y-2)+(7y^3+y^2-2y+5)=

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Solution for (7y^3-8y^2-9y-2)+(7y^3+y^2-2y+5)= equation: 


Simplifying
(7y3 + -8y2 + -9y + -2) + (7y3 + y2 + -2y + 5) = 0

Reorder the terms:
(-2 + -9y + -8y2 + 7y3) + (7y3 + y2 + -2y + 5) = 0

Remove parenthesis around (-2 + -9y + -8y2 + 7y3)
-2 + -9y + -8y2 + 7y3 + (7y3 + y2 + -2y + 5) = 0

Reorder the terms:
-2 + -9y + -8y2 + 7y3 + (5 + -2y + y2 + 7y3) = 0

Remove parenthesis around (5 + -2y + y2 + 7y3)
-2 + -9y + -8y2 + 7y3 + 5 + -2y + y2 + 7y3 = 0

Reorder the terms:
-2 + 5 + -9y + -2y + -8y2 + y2 + 7y3 + 7y3 = 0

Combine like terms: -2 + 5 = 3
3 + -9y + -2y + -8y2 + y2 + 7y3 + 7y3 = 0

Combine like terms: -9y + -2y = -11y
3 + -11y + -8y2 + y2 + 7y3 + 7y3 = 0

Combine like terms: -8y2 + y2 = -7y2
3 + -11y + -7y2 + 7y3 + 7y3 = 0

Combine like terms: 7y3 + 7y3 = 14y3
3 + -11y + -7y2 + 14y3 = 0

Solving
3 + -11y + -7y2 + 14y3 = 0

Solving for variable 'y'.

The solution to this equation could not be determined.

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