Answer:
3a+16b
Explanation:
7a+10b-4a+6b
7a-4a+10b+6b
3a +16b
Use the distributive property to eliminate parentheses:
7a +10b -4a +6b
Group like terms, if you need to:
(7a -4a) +(10b +6b)
Simplify each group:
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