3 years ago

How to solve system graphically 4y = x + 8, x = 2/3y +2

1 answer:

5 0

4y = x + 8
x = 2/3y + 2
4y = x + 8
2/3y = x + 2
3 1/3y = 8 
3 1/3 3 1/3
 y = 2 2/5
4(2 2/5) = x + 8
 9 3/5 = x + 8
 -8 -8
 1 3/5 = x
 (x y) = (1 3/5, 3)

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