kamryntolbert kamryntolbert

01-12-2016
Mathematics

Answered

how do i solve

y=4y and

x+y=5 while solving systems by subtitution

Verified Answer :

PossiblySomebody PossiblySomebody

01-12-2016

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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