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flab198
Group Title
Given the system of equations, what is the solution?
x + 2y = 7
x  2y = 1
{(8, 12)}
{(3, 2)}
{(4, 6)}
 one year ago
 one year ago
flab198 Group Title
Given the system of equations, what is the solution? x + 2y = 7 x  2y = 1 {(8, 12)} {(3, 2)} {(4, 6)}
 one year ago
 one year ago

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Mathhelp346 Group TitleBest ResponseYou've already chosen the best response.1
The method I'll be using is substitution. x2y=1 +2y +2y x=2y1 (2y1)+2y=7 4y1=7 +1+1 4y=8 y=2 x2y=1 x2(2)=1 x4=1 +4 +4 x=3
 one year ago

Mathhelp346 Group TitleBest ResponseYou've already chosen the best response.1
So it would be {(3, 2)}
 one year ago
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