Solve each system by substitution. 5x + y = 7 and 4x - 5y = 15 -50 -47 ; y= 29 x = 29 -50 47 ;y= 29 x = 29 50 y = 29 -47 x = 29 50 47 x = y = 29 29

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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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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Solve each system by substitution.
5x + y = 7 and 4x - 5y = 15
-50
-47
; y=
29
x =
29
-50
;
29
47
y =
29
x =
50
-47
y =
29
x =
29
50
x =
29
47
y =
29
Transcribed Image Text:Solve each system by substitution. 5x + y = 7 and 4x - 5y = 15 -50 -47 ; y= 29 x = 29 -50 ; 29 47 y = 29 x = 50 -47 y = 29 x = 29 50 x = 29 47 y = 29
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