Stroman826
Stroman826
04-06-2014
Mathematics
contestada
If (3+y)/y=7, then y=
Please help :)
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
3. Roads in urban areas are generally
What happened during the Great Leap Forward? {Answers} •intellectuals dominated the government •students became revolutionaries •peasants were organized into
.21875 as a fraction
The p53 protein is involved in __________, which explains it role in __________.
Adimas found the mean of her 11 math test scores for the first semester. x = ≈ 81 Using 81 as the mean, find the variance of her grades rounded to the nearest
Why was the battle of Yorktown successful? The French military aid The military might of Washington and his troops The assistance of all European powers The su
I'LL MAKE YOU BRAINLIEST PLEASE ANSWER THIS THIS IS A 6TH GRADE (VERY EASY) QUESTION REALLY LIKE REALLY EASY What does this mean? The innovation to exploit fall
Evaluate each expression if a=2, b=3 and c=4 A.) 2a+4b-c B.) 6(a+c)-b
Explain why the initial value of any function of the formf(x) = a(b) is equal to a.
Simplify. x/4x+x^2 a. 1/4 b. 1/4+x; where x =/ -4, 0 c. 1/4+x; where x =/ -4 d. 1/4x; where x =/ 0
