Stroman826
Stroman826
04-06-2014
Mathematics
Answered
If (3+y)/y=7, then y=
Please help :)
Answer :
kate200468
kate200468
04-06-2014
[tex] \frac{\big{3+y}}{\big{y}}=7\ \ \ \Rightarrow\ \ \ D:\ y \neq 0\\\\ \frac{\big{3+y}}{\big{y}}\cdot y=7\cdot y\\\\3+y=7y\\\\y-7y=-3\\\\-6y=-3\ /:(-6)\\\\y= \frac{3}{6} \\\\y= \frac{1}{2} \ \in\ D[/tex]
Answer Link
tadvisohil886
tadvisohil886
05-06-2014
[tex] \frac{3 + y}{y} = 7 \\ \\ 3 +y = 7y \\ \\ 1y - 7y = -3 \\ \\ -6y = -3 \\ \\ y = \frac{-3}{-6} = \frac{1}{2} \\ \\ y = \frac{1}{2} [/tex]
Answer Link
VIEW ALL ANSWERS ( 75+ )
Other Questions
3/10 minus what equals 2/5?
A trapezoid has an area of 13.5 square inches. If the bases are 3 inches and 6 inches, what is the height of the trapezoid?
If a fly were to land on your face and then on your back, which one might you feel first? How could you test your choice?
Find the sine, the cosine, and the tangent of the acute angles of the triangle. How to solve this? Thank you so much.
order from least to greatest 1/8, 7/8, 4/8
Why does the cell need to carry out transcription before it can begin translation
During the summer, Andrew worked for 6 days each week. He worked 8 hours each day. In a week, he earned $360. How much was he paid for each hour of work? Its
can you give me a sentence with all 8 part of speech?
How did the treaty of Paris help to make the United States an imperial power?
why do whole numbers raised to an exponent get greater while fractions raised to an exponent get smaller?
