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41 votes
A+4a+4a, plus, 4 when a=7a=7a, equals, 7

User Florian Bienefelt
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1 Answer

14 votes
14 votes

Explanation:

a+4a+4a+4 when a=7a=7a=7

7+4(7)+4(7)+4

7+28+28+4

7+56+4

7+60

67