9.8c + 8d - 4.6c + 2.9d simpilfy the expression

9.8c + 8d - 4.6c + 2.9d

9.8c - 4.6c + 8d + 2.9d

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9.8c + 8d - 4.6c + 2.9d

9.8c - 4.6c + 8d + 2.9d
5.2c+10.9d

To simplify the given expression, combine like terms by combining the coefficients of the variables.

The expression is:
9.8c + 8d - 4.6c + 2.9d

Combine the terms with 'c':
(9.8c - 4.6c) + 8d + 2.9d

Subtract the coefficients:
5.2c + 10.9d

So, the simplified expression is 5.2c + 10.9d.