6u-9u=6+-2+u

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Solution for 6u-9u=6+-2+u equation:


Simplifying
6u + -9u = 6 + -2 + u

Combine like terms: 6u + -9u = -3u
-3u = 6 + -2 + u

Combine like terms: 6 + -2 = 4
-3u = 4 + u

Solving
-3u = 4 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-3u + -1u = 4 + u + -1u

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

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

Divide each side by '-4'.
u = -1

Simplifying
u = -1

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