Question

. 2x - {5y - 7y - 2x} ;​

Answer 1

●2x - (5y - 7y - 2x)

=2x-5y+7y+2x

=4x+2y

=2(2x+y)

Answer 2

Answer:

$2x - (5y - 7y - 2x) \\ 2x - 5y + 7y + 2x \\ 2x + 2x - 5y + 7y \\ = 4x + 2y$

= 2(2x + y) Ans