5x-[4y-{7x-(3z-2y)+4z-3(x+3y-2z)}]
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Answer:
9x-11y+7z.
Step-by-step explanation:
Use bodmas.
=5x-[4y-{7x-3z+2y+4z-3x-9y+6z}]
As there is - and - 3 I substituted it.
=5x-[4y-7x+3z-2y-4z+3x+9y-6z]
There a minus before the bracket .
=5x-4y+7x-3z+2y+4z-3x-9y+6z.
=5x+7x-3x-4y+2y-9y-3z+4z+6Z.
=9x-11y+7z.
Hope it's useful
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