Question 205869
Remember  y= mx +b
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y=3x +1,,,,,,m=3,,,,,parallel  to  this  also  has  m=3
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parallel  line,,,,y= 3x +b,,,thru  (0,-1),,,,subst
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(-1) = 3(0) +b
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b= -1
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or  parallel  line  (L),,,,y= 3x -1   (i)
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if y=3x-1,,,,thru (2,b),,,,subst
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(b) = 3(2) -1,,,,,b= 5,,,,,(ii)
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