8u=21u

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Solution for 8u=21u equation:


Simplifying
8u = 21u

Solving
8u = 21u

Solving for variable 'u'.

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

Add '-21u' to each side of the equation.
8u + -21u = 21u + -21u

Combine like terms: 8u + -21u = -13u
-13u = 21u + -21u

Combine like terms: 21u + -21u = 0
-13u = 0

Divide each side by '-13'.
u = 0

Simplifying
u = 0

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