What should be subtracted from 2a + 8b +...

What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16?

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The correct Answer is:

`5a+b-6`

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NAND LAL PUBLICATION-ALGEBRAIC EXPRESSIONS -EXERCISE 12.2

Add: a + b – 3, b – a + 3, a – b + 3
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Add: 14x + 10y – 12xy – 13, 18 – 7x – 10y + 8xy, 4xy
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Add: 5m – 7n, 3n – 4m + 2, 2m – 3mn – 5
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Add: 4x^2y, – 3xy^2, –5xy^2, 5x^2y
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Add 3p^2q^2 – 4pq + 5, – 10 p^2q^2, 15 + 9pq + 7p^2q^2
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Add ab – 4a, 4b – ab, 4a – 4b
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Add x^2 – y^2 – 1, y^2 – 1 – x^2, 1 – x^2 – y^2
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Subtract: –5y^2 from y^2
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Subtract: 6xy from –12xy
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Subtract: (a – b) from (a + b)
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Subtract: a (b – 5) from b (5 – a)
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Subtract: –m^2 + 5mn from 4m^2 – 3mn + 8
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Subtract: – x^2 + 10x – 5 from 5x – 10
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Subtract: 5a^2 – 7ab + 5b^2 from 3ab – 2a^2 – 2b^2
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Subtract: 4pq – 5q^2 – 3p^2 from 5p^2 + 3q^2 – pq
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What should be added to x^2 + xy + y^2 to obtain 2x^2 + 3xy?
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What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16?
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What should be taken away from 3x^2 – 4y^2 + 5xy + 20 to obtain – x^2 ...
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From the sum of 3x – y + 11 and – y – 11, subtract 3x – y – 11.
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From the sum of 4 + 3x and 5 – 4x + 2x^2, subtract the sum of 3x^2 – 5...
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