u+6u+8=u+8u+13

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Solution for u+6u+8=u+8u+13 equation:


Simplifying
u + 6u + 8 = u + 8u + 13

Reorder the terms:
8 + u + 6u = u + 8u + 13

Combine like terms: u + 6u = 7u
8 + 7u = u + 8u + 13

Reorder the terms:
8 + 7u = 13 + u + 8u

Combine like terms: u + 8u = 9u
8 + 7u = 13 + 9u

Solving
8 + 7u = 13 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
8 + 7u + -9u = 13 + 9u + -9u

Combine like terms: 7u + -9u = -2u
8 + -2u = 13 + 9u + -9u

Combine like terms: 9u + -9u = 0
8 + -2u = 13 + 0
8 + -2u = 13

Add '-8' to each side of the equation.
8 + -8 + -2u = 13 + -8

Combine like terms: 8 + -8 = 0
0 + -2u = 13 + -8
-2u = 13 + -8

Combine like terms: 13 + -8 = 5
-2u = 5

Divide each side by '-2'.
u = -2.5

Simplifying
u = -2.5

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