Question 100242
y=mx+b
slope=m=1
ky+2x=7
ky=-2x+7
y=(-2x/k)+7/k
by inspection of the above line if k=-2 then: y=x+(7/-2) and m=1
k=-2 Ans.
Ed
{{{graph(500,500,-10,10,-10,10,x-(7/2))}}}