(u+4)+(u+4)=

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Solution for (u+4)+(u+4)= equation:


Simplifying
(u + 4) + (u + 4) = 0

Reorder the terms:
(4 + u) + (u + 4) = 0

Remove parenthesis around (4 + u)
4 + u + (u + 4) = 0

Reorder the terms:
4 + u + (4 + u) = 0

Remove parenthesis around (4 + u)
4 + u + 4 + u = 0

Reorder the terms:
4 + 4 + u + u = 0

Combine like terms: 4 + 4 = 8
8 + u + u = 0

Combine like terms: u + u = 2u
8 + 2u = 0

Solving
8 + 2u = 0

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + 2u = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2u = 0 + -8
2u = 0 + -8

Combine like terms: 0 + -8 = -8
2u = -8

Divide each side by '2'.
u = -4

Simplifying
u = -4

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