Work Step by Step
We know that if the slope of a line is $m$ and it contains $P_1(x_1,y_1)$, then its equation is: $y-y_1=m(x-x_1).$ Hence here: $y-(-7)=-1.5(x-4)\\y+7=-1.5x+6\\y+1.5x=-1\\3x+2y=-2$
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