6u-4u-u+9u=30

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Solution for 6u-4u-u+9u=30 equation:



6u-4u-u+9u=30
We move all terms to the left:
6u-4u-u+9u-(30)=0
We add all the numbers together, and all the variables
10u-30=0
We move all terms containing u to the left, all other terms to the right
10u=30
u=30/10
u=3

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