Which of the following pair of algebraic expression will add up to give 12 xy -7 -A- 3 x y -7-4 x y - 9 x y-13 and 17B- 3 x y-2 - 12 x y-13 -14 x y-12 and 13 x y-19C- -7 x y-12 - 12 x y-2 - 9 x y-8 and -2 x y-25D- 2 x y-3 - 13 x y-14 -2 x y-18 and -x y-5

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Addition and Subtraction of Like and Unlike Terms

Which of the ...

Question

Which of the following pair of algebraic expression will add up to give 12xy - 7?

3xy; - 7 + 4xy; 9xy - 13 and 17

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3xy + 2; 12xy - 13; -14xy + 12 and 13xy - 19

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-7xy + 12; 12xy - 2; 9xy + 8 and -2xy - 25

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2xy - 3; 13xy + 14; -2xy - 18 and -xy - 5

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Which of the following pair of algebraic expression will add up to give 12xy - 7?

(6 x^{3} y - 3 x y - 7) - 2 (- 2 x y - 1) = (9 x^{3} y - 2 x y - 13) - (3 x^{3} y - 3 x y - 8) .

Simplify
2xy-[4yx-{3xy-(4xy-2xy)}]

x^{2} - 2 x y + 3 y^{2}; 5 y^{2} + 3 x y - 6 x^{2}

(3 x y + 7 y z + 8 x z) + (- 2 x y + 3 y z - 4 x z)

+ (4 x y - 5 y z - 2 x z)

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