Question

the sum of 2×y and 7×y is:​

Answer 1

Step-by-step explanation:

Sum of 3x−2y+7 and 5x−3y−8

=3x−2y+7+5x−3y−8

=8x−5y−1

Thus, 8x−5y−1−(4x+y+2)

=8x−5y−1−4x−y−2

=4x−6y−3

Answer 2

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$2xy +( - 7xy )\\ 2xy - 7xy \\ - 5xy$