16-01-2015
Mathematics

contestada

How do u solve

8x-4y=2
4x-2y=1

Respuesta :

16-01-2015

8x-4y=2

4x-2y=1

4y and 2y cancel eachother out

8x+4x=12
2+1=3
3÷12
x=4

8×4=24-4y
20-18
y=18

answer:(4,18)

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