What does 3k-1=7k+ 2 equal?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Find the value of x. give reasons to justify your solutions! h ∈ ig

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.