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olivia033
olivia033 olivia033
  • 05-10-2015
  • Mathematics
Answered

Please help in Math!? What value of y makes the equation true?




A.

–28


B.

–21


C.

21


D.

28

Please help in Math!? What value of y makes the equation true? A. 28 B. 21 C. 21 D. 28 class=

Verified Answer :

Exvited
Exvited Exvited
  • 05-10-2015

\(\frac{-7}{12} = \frac{y}{-36}\)

First, simplify \(\frac{y}{-36}\) to \(- \frac{y}{36}\) / Your problem should look like: \(- \frac{7}{12} = -\frac{y}{36}\)
Second, multiply both sides by 36. / Your problem should look like: \(-21=-y\)
Third, multiply both sides by -1. / Your problem should look like: \(21 = y\)
Fourth, switch your sides. / Your problem should look like: \(y = 21\)

Answer: C) 21

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