Find the sum of the following expressions
(i) 7p + 6q, 5p − q, q + 16p
(ii) a + 5b + 7c, 2a + 10b + 9c
(iii) mn + t, 2mn − 2t, − 3t + 3mn
(iv) u + v, u − v, 2u + 5v, 2u − 5v.
(v) 5xyz − 3xy, 3zxy − 5yx
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Step-by-step explanation:
7p + 6q+5p − q+ q + 16p
7p+16p+5p-q+q+6q= 28 p + +6q
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a + 5b + 7c+ 2a + 10b + 9c
=3a+15b+ 16c
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mn + t+ 2mn − 2t+ (− 3t + 3mn)
= 6mn-4
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5xyz − 3xy+3zxy − 5yx
= 8xyz -5xy
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u + v+u − v, 2u + 5v+ 2u − 5v.
= 4u
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