kamryntolbert kamryntolbert

02-12-2016
Mathematics

contestada

how do i solve
y=4y and
x+y=5 while solving systems by subtitution

Respuesta :

PossiblySomebody PossiblySomebody

02-12-2016

Subtract y from both sides to get 0=3y and 5=y+x Multiply this one by -3 to get -15=-3y-3x The Ys cancel and you get -3x=-15 solve for x and substitute it in the y equation to check (y should be 0)

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