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Consider some terms: $14 x + 10 y − 12 x y − 13, 18 − 7 x − 10 y + 8 x y, 4 x y$
The addition of above terms gives $7 x + 5$ .

Is the above statement true?

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True

False

answer is A.

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Detailed Solution

Given terms are

14 x + 10 y − 12 x y − 13, 18 − 7 x − 10 y + 8 x y, 4 x y

.
Now, adding these terms, we get

14 x + 10 y − 12 x y − 13 + 18 − 7 x − 10 y + 8 x y + 4 x y = 14 x − 7 x + 10 y − 10 y − 12 x y + 8 x y + 4 x y − 13 + 18 = 7 x + 0 − 12 x y + 12 x y + 5 = 7 x + 0 − 0 + 5 = 7 x + 5

Hence, the addition of

14 x + 10 y − 12 x y − 13, 18 − 7 x − 10 y + 8 x y, 4 x y

terms gives

7 x + 5

.
Hence, the given statement addition of

14 x + 10 y − 12 x y − 13, 18 − 7 x − 10 y + 8 x y, 4 x y

terms gives

7 x + 5

is true.
Therefore, the correct option is 1.

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