Math

SOlve 2x + 4y = 26 and 4x + 4y = 20

Asked by AnneS2 on 04 Jun 07:31

Last updated by anonymous on 05 Jun 15:21

1 Answers

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Answered by CherieS on 05 Jun 15:21

4x + 4y = 20

4x + 4y-4x = 20-4x

4y= 20-4x

4y/4= 20/4-4x/4

y=4-x

2x + 4y = 26

2x + 4(4-x) = 26

2x + 4(4) (4)(-x) = 26

2x+16-4x=26

16-2x=26

16-2x-16=26-16

-2x=10

-2x/-2=10/-2

x=-5