8u-4u=30

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Solution for 8u-4u=30 equation: 


Simplifying
8u + -4u = 30

Combine like terms: 8u + -4u = 4u
4u = 30

Solving
4u = 30

Solving for variable 'u'.

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

Divide each side by '4'.
u = 7.5

Simplifying
u = 7.5

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