eamandab
eamandab
26-02-2017
Mathematics
contestada
How do I do this its systems of equations
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yahyasalamah
yahyasalamah
26-02-2017
let x the subject of the equation in x-2y=-10 this make it x=2y-10 substitute this in the first equation. 3(2y-10)-2y=-6 solve for y, y=6. substitute y in any of the original equations to get x x= 2
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