5u-21u=-2

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Solution for 5u-21u=-2 equation: 


Simplifying
5u + -21u = -2

Combine like terms: 5u + -21u = -16u
-16u = -2

Solving
-16u = -2

Solving for variable 'u'.

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

Divide each side by '-16'.
u = 0.125

Simplifying
u = 0.125

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