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Addition and Subtraction of Algebraic Expression

Find the sum ...

Question

Find the sum of the following.
$6 d - 4 c$ , $- 7 c + 6 d$ .

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Solution

$(6 d - 4 c), (- 7 c + 6 d) Adding \Rightarrow (6 d - 4 c + 6 d - 7 c) = (6 d + 6 d) + (- 4 c - 7 c) = 12 d + (- 11 c) = 12 d - 11 c$

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