friends is this simplification right or wrong please say i have given more points also
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5x-(4y-(7x-(3z-2y)+4z-3(x+3y-2z)
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
5x+7x+3x-4y+2y+9y-3z-4z-6z
15x+7y-13z.Ans.
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