5x+(k+1)y=_20 7x_2ky=2y+6 are simultaneous equation where k. is aconstant a) solve the simultaneous equations for x and y .giving your answer for y in terms of k b)for what value of k do the equations not have a solution ​

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat