Question

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

Answer 1

5x-(4y-(7x-3z+2y+4z-3x-9y+6z))
5x-(4y-7x+3z-2y-4z+3x+9y-6z)
5x-4y+7x-3z+2y+4z-3x-9y+6z
9x-11y+7z

Answer 2

Step-by-step explanation:

$\bf \: 5x-(4y-(7x-3z+2y+4z-3x-9y+6z)) \\ \\ </p><p> \bf \:5x-(4y-7x+3z-2y-4z+3x+9y-6z) \\ \\ </p><p> \bf \:5x-4y+7x-3z+2y+4z-3x-9y+6z \\ \\ </p><p> \bf \red{9x-11y+7z}$