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Simplify each of the following: m-[...

Simplify each of the following: ` m-[m+{m+n-2m-(m-2n)}-n]` `3x^2z-4y z+3x y-{x^2z-(x^2z-3y z)-4y z-7z}`

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2x+y-z=1 x-y+z=2 3x+y-2z=-1

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2x-3y+5z=16, 3x+ 2y-4z= -4, x + y - 2z =- 3.

RD SHARMA-ALGEBRAIC EXPRESSIONS-All Questions
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