How do i solve

y=4y and

x+y=5 while solving systems by subtitution

Question

Mathematics

Aidan Gibson

14 September, 06:29

How do i solve

y=4y and

x+y=5 while solving systems by subtitution

+2

Answers (1)

Know the Answer?

Rayan Mcfarland · Answer 1

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)

How do i solvey=4y andx+y=5 while solving systems by subtitution

How do i solve

y=4y and

x+y=5 while solving systems by subtitution