Question

3x+y=8 find the graphical method
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Answer 1

Answer:

3x + y = 8

y= 8 - 3x

if x = -1, y=8 - 3(-1) = 8 +3 = 11

if x = 0 y = 8-3(0)= 8

if x = 1, y = 8-3(1) =8-3 = 5

if x = 2, 8-3(2) = 8 - 6 = 2

if x = 3,y = 8-3(3) = 8 - 9 = -1

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