Answer:
6a + 10b
Explanation:
(2a + 3b) + (4a + 7b) =
Drop the two sets of parentheses since they are unnecessary.
= 2a + 3b + 4a + 7b
Group like terms together.
= 2a + 4a + 3b + 7b
Add like terms.
= 6a + 10b
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