3u/7=-15

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Solution for 3u/7=-15 equation: 



3u/7=-15

We move all terms to the left:

3u/7-(-15)=0

We add all the numbers together, and all the variables

3u/7+15=0

We multiply all the terms by the denominator


3u+15*7=0

We add all the numbers together, and all the variables

3u+105=0

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

3u=-105

u=-105/3

u=-35

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