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Find the sum of 2x + 7y and 4x + 18y + 9.

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6x + 25y + 9

8x + 25y + 9

2x + 11y + 9

3x + 10y + 9

answer is A.

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Detailed Solution

Given: 2x + 7y and 4x + 18y + 9

The sum = 2x + 7y + 4x + 18y + 9

Collecting the like terms together, we get

The sum = 2x + 4x + 7y + 18y + 9

= 6x + 25y + 9

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