2u-9=-3

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Solution for 2u-9=-3 equation: 



2u-9=-3

We move all terms to the left:

2u-9-(-3)=0

We add all the numbers together, and all the variables

2u-6=0

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

2u=6

u=6/2

u=3

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