3u+1-2u=-2+7

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Solution for 3u+1-2u=-2+7 equation: 



3u+1-2u=-2+7

We move all terms to the left:

3u+1-2u-(-2+7)=0

We add all the numbers together, and all the variables

3u-2u+1-5=0

We add all the numbers together, and all the variables

u-4=0

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

u=4

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