2(xy - 7) = [?] %3D

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section: Chapter Questions
Problem 606RE: In the following exercises, solve. 606. If y varies inversely as x, when y=20 and x=2 find y when...
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Simplify:
2(ху - 7) %3D [2]
x= -1 and y = 3
Transcribed Image Text:Simplify: 2(ху - 7) %3D [2] x= -1 and y = 3
Expert Solution
Step 1

Let the given expression be,

t=2xy-7

Substitute x=-1 and y=3 in the above expression,

t=2-13-7=2-3-7=2-10=-20

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