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2x + 3y - 4x - 2y
-2x y
B. 2p + 3q
2(2x + 3y) + 3(4x-2y)
4x + 6y + 12 x - 6y
16x
C. p - 2q - 5p
2x + 3y - 2(4x - 2y) - 5(2x + 3y)
2x + 3y - 8x - 4y - 10x + 15 y
-14x 14y