Question 982769

{{{4x-2y-5-2(8x-7y)-(3x-4y-1)}}}

{{{4x-2y-5-(2*8x-2*7y)-(3x-4y-1)}}}

{{{4x-2y-5-(16x-14y)-(3x-4y-1)}}}

{{{4x-2y-5-16x+14y-3x+4y+1}}}

{{{(4x-16x-3x)+(14y-2y+4y)+1-5}}}

{{{-15x+16y-4}}}