Question

simplify. 8x+y-[7x-{5x-(4x-3y-y)+2y}]​

Answer 1

$\underline{\underline{\huge{\blue{\tt{\textbf Answer :-}}}}}$

8x+y-[7x-{5x-(4x-3y-y)+2y}]

8x+y-[7x-{5x-(4x-4y)+2y}]

8x+y-[7x-{5x-4x-4y+2y}]

8x+y-[7x-(x-2y)]

8x+y-[7x-x+2y]

8x+y-7x+x-2y

2y-y