7p+6q
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Find the sum of the following expressions (i) 7p + 6q, 5p – q, q + 16p (ii) a + 5b + 7c, 2a + 106 + 9c (iii) mn + t, 2mn – 2t, – 3t + 3mn (iv) ...
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(i) (7p + 6q) + (5p – q) + (q + 16p) = 7p + 6q + 5p – q + q + 16p = (7p + 5p + 16p) + (6q – q + q) = (7 + 5 + 16)p + (6 – 1 + 1)q = (12 + 16)p
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13pq will be the answer answer
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