162-5 3 5q-6r-7s X . Find x.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Kindly provide a step-by-step explanation base on the given photo. Answer it ASAP, thanks.

Solution
4
Let
5q-6r-7s
x
Find x.
s 5q-6r-7s=k, Then
2 3 4
x
q=2k, r = 3k, s = 4k, and 5q – 6r - 7s = kx.
5(2k) -6(3k) -7(4k) = kx
10k-18k-28k = kx
-36k = kx
x=-36
Transcribed Image Text:Solution 4 Let 5q-6r-7s x Find x. s 5q-6r-7s=k, Then 2 3 4 x q=2k, r = 3k, s = 4k, and 5q – 6r - 7s = kx. 5(2k) -6(3k) -7(4k) = kx 10k-18k-28k = kx -36k = kx x=-36
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