Math

Solve for both systems: 5x + 3y = 20 and - 5x + y = 0

Asked by AnneS2 on 28 Aug 06:23

Last updated by anonymous on 29 Aug 20:24

1 Answers

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Answered by CherieS on 29 Aug 20:24

- 5x + y = 0

- 5x+5x + y = 0+5x

y = 5x

5x + 3y = 20

5x + 3(5x) = 20

5x + 15x = 20

20x=20

20x/20=20/20

x=1

y = 5x

y = 5*1

y=5