Math

Solve for 2x + y = 16 and 4x - 4y = - 4

Asked by AnneS2 on 12 Jun 03:56

Last updated by anonymous on 13 Jun 15:13

1 Answers

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Answered by CherieS on 13 Jun 15:13

2x + y = 16

2x + y-2x = 16-2x

y=16-2x

4x - 4y = - 4

4x - 4(16-2x) = - 4

4x - 4(16) (-4)(-2x) = - 4

4x-64+8x=-4

-64+12x=-4

-64+12x+64=-4+64

12x=62

12x/12=60/12

x=5

y=16-2x

y=16-2(5)

y=16-10

y=6