2u-18=3

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Solution for 2u-18=3 equation: 



2u-18=3

We move all terms to the left:

2u-18-(3)=0

We add all the numbers together, and all the variables

2u-21=0

We move all terms containing u to the left, all other terms to the right

2u=21

u=21/2

u=10+1/2

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