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Mathematics 15 Online
OpenStudy (anonymous):

i need help Really badly. metal and fan.

OpenStudy (anonymous):

x+3y=7 2x-4y=24 solve the system

OpenStudy (thomas5267):

Equation 2 - 2x equation 1. Then solve that equation.

OpenStudy (anonymous):

multiply first equation by -2 then add the result to the second equation... you get "y"

OpenStudy (anonymous):

replace y back in any equation to get "x"

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