3+2u=-5

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Solution for 3+2u=-5 equation: 



3+2u=-5

We move all terms to the left:

3+2u-(-5)=0

We add all the numbers together, and all the variables

2u+8=0

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

2u=-8

u=-8/2

u=-4

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