Math

Solve for 2x + 5y = 2 and - 4x - 5y = - 4

Asked by AnneS2 on 18 Jun 05:10

Last updated by anonymous on 19 Jun 12:48

1 Answers

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Answered by CherieS on 19 Jun 12:48

2x + 5y = 2

2x + 5y-5y = 2-5y

2x= 2-5y

2x/2= 2/2-5y/2

x=1-2.5y

- 4x - 5y = - 4

- 4(1-2.5y) - 5y = - 4

- 4(1) (-4)(-2.5y) - 5y = - 4

-4+10y- 5y = - 4

-4+5y = - 4

-4+5y+4 = - 4+4

5y=0

5y/5=0/5

y=0

x=1-2.5y

x=1-2.5(0)

x=1-0

x=1