u-4+2u=13+4u-8

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Solution for u-4+2u=13+4u-8 equation:


Simplifying
u + -4 + 2u = 13 + 4u + -8

Reorder the terms:
-4 + u + 2u = 13 + 4u + -8

Combine like terms: u + 2u = 3u
-4 + 3u = 13 + 4u + -8

Reorder the terms:
-4 + 3u = 13 + -8 + 4u

Combine like terms: 13 + -8 = 5
-4 + 3u = 5 + 4u

Solving
-4 + 3u = 5 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-4 + 3u + -4u = 5 + 4u + -4u

Combine like terms: 3u + -4u = -1u
-4 + -1u = 5 + 4u + -4u

Combine like terms: 4u + -4u = 0
-4 + -1u = 5 + 0
-4 + -1u = 5

Add '4' to each side of the equation.
-4 + 4 + -1u = 5 + 4

Combine like terms: -4 + 4 = 0
0 + -1u = 5 + 4
-1u = 5 + 4

Combine like terms: 5 + 4 = 9
-1u = 9

Divide each side by '-1'.
u = -9

Simplifying
u = -9

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