SOLUTION: So this is literal equations, i didnt know what catagory to put this question under so I put it in here. The problem is y=3/5u +5 Solve for u. I have tried to subtract the 5 first

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Question 1122948: So this is literal equations, i didnt know what catagory to put this question under so I put it in here.
The problem is y=3/5u +5 Solve for u. I have tried to subtract the 5 first, getting y-5 = 3/5u, then multiplying 5u on both sides, resulting in 5uy-5=3. I got stuck here not knowing what to do, or if this was the right way to do this. I would greatly appreciate it if someone could help me.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Not sure what you have, but SOLVE FOR u.





Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
So this is literal equations, i didnt know what catagory to put this question under so I put it in here.
The problem is y=3/5u +5 Solve for u. I have tried to subtract the 5 first, getting y-5 = 3/5u, then multiplying 5u on both sides, resulting in 5uy-5=3. I got stuck here not knowing what to do, or if this was the right way to do this. I would greatly appreciate it if someone could help me.
The correct answer depends on where the "u" is. 

Is it ?



Since you said it's the latter, we'll pick up where you left off.

You have: 5uy - 5 = 3 <===== This is wrong! 

Let's go back some more to: 

Multiplying the above by LCD, 5u will give you: 5uy - 25u = 3, and NOT 5uy - 5 = 3. Understand?

5uy - 25u = 3

 

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