(9w^4+8w)-(-2w^4-7w+9)=

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Solution for (9w^4+8w)-(-2w^4-7w+9)= equation: 


Simplifying
(9w4 + 8w) + -1(-2w4 + -7w + 9) = 0

Reorder the terms:
(8w + 9w4) + -1(-2w4 + -7w + 9) = 0

Remove parenthesis around (8w + 9w4)
8w + 9w4 + -1(-2w4 + -7w + 9) = 0

Reorder the terms:
8w + 9w4 + -1(9 + -7w + -2w4) = 0
8w + 9w4 + (9 * -1 + -7w * -1 + -2w4 * -1) = 0
8w + 9w4 + (-9 + 7w + 2w4) = 0

Reorder the terms:
-9 + 8w + 7w + 9w4 + 2w4 = 0

Combine like terms: 8w + 7w = 15w
-9 + 15w + 9w4 + 2w4 = 0

Combine like terms: 9w4 + 2w4 = 11w4
-9 + 15w + 11w4 = 0

Solving
-9 + 15w + 11w4 = 0

Solving for variable 'w'.

The solution to this equation could not be determined.

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