danamer2000 danamer2000

21-04-2017
Mathematics

contestada

Solve the system of equations using elimination y-x=13 7y+x=11

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midknight9 midknight9

21-04-2017

[tex] \left \{ {{y-x=13} \atop {7y+x=11}} \right. Cancel out the x's to get 8y = 24 Solve for y to get y = 3 Pick an equation such as y - x = 13. Plug in y to get 3 - x = 13. Solve for x to get x = -10.[/tex]

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