How do i rearrange a(x-y)=b(z-x) to make x the subject?

Which value of y will make the inequality y< -1 false?

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Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle