Question 381998
(-1,5);m=-4/7

y = mx b
plug x,y & m
5= (-4/7)*-1)+b
5=4/7 +b
5-4/7 =b
31/7 =b
..
y= -4/7 *x +31/7
*7
7y=-4x+31
..
4x+7y-31=0
..
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