3u-3=-9

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Solution for 3u-3=-9 equation:



3u-3=-9
We move all terms to the left:
3u-3-(-9)=0
We add all the numbers together, and all the variables
3u+6=0
We move all terms containing u to the left, all other terms to the right
3u=-6
u=-6/3
u=-2

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