(bp+aq)q+(bq+aq+ap)q+(bq+aq+ap)p=by+ay+ax, (bp+aq)p+(bq+aq+ap)q=bx+ay for x and yhttp://www.wolframalpha.com/input/?i=(bp+aq)q+(bq+aq+ap)q+(bq+aq+ap)p=by+ay+ax, (bp+aq)p+(bq+aq+ap)q=bx+ay for x and y