Add the expression using horizontal method: $2 a + 3 b - 4 c a n d 3 a + 4 b + 2 c$

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Solution

Given expressions: $2 a + 3 b - 4 c a n d 3 a + 4 b + 2 c$
Adding using the horizontal method:
$2 a + 3 b - 4 c + 3 a + 4 b + 2 c$
$= 2 a + 3 a + 3 b + 4 b - 4 c + 2 c$ ( Re-arranging the same sign terms together)
$= 5 a + 7 b - 2 c$
Hence, the required expression is $5 a + 7 b - 2 c$

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