Question

simpl(5x _9y)+(_4x+3y)_(_7x+3y)

Answer 1

Hola Mate !!

Here's your answer :-

$(5x - 9y) + ( - 4x + 3y) - ( - 7x + 3y) \\ = > 5x - 9y - 4x + 3y + 7x - 3y \\ = > 5x - 4x + 7x - 9y + 3y -3 y \\ = > 8x - 9y$

Hope it helps

Mark me as brainliest if it's correct ;-)

Answer 2

(5x-9y)+(-4x+3y)-(-7x+3y)
=5x-9y-4x+3y+7x-3y
=5x-4x+7x-9y+3y-3y
=8x-9y
8x-9y=0
8x=0+9y
8x=9y
x=9y/8
or
8x-9y=0
-9y= -8x
9y=8x
y=8x/9
Therefore, x=9y/8 and y=8x/9
Hope you got it.:)