Solve the following system and show all of your work. 3y - 2x = 11 y + 2x = 9
3y - 2x = 11 ; y + 2x = 9; (3y - 2x = 11) + (y + 2x = 9) ; 4y = 20 ; y = 20/4 ; y = 5 ; 5 + 2x = 9 ; 2x = 9 - 5 ; 2x = 4 ; x = 4/2 ; x = 2 ; Solution set: (2, 5)
Question
Updated 243 days ago|3/20/2018 3:59:52 AM
Edited by Masamune [3/20/2018 3:59:51 AM]
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3y - 2x = 11 ;
y + 2x = 9;

(3y - 2x = 11) + (y + 2x = 9) ;
4y = 20 ;
y = 20/4 ;
y = 5 ;

5 + 2x = 9 ;
2x = 9 - 5 ;
2x = 4 ;
x = 4/2 ;
x = 2 ;

Solution set: (2, 5)
Added 243 days ago|3/20/2018 3:59:52 AM

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