11a+9=4a+30 how do i solve for a

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asked Dec 26, 2019 171k views

5 votes

11a+9=4a+30 how do i solve for a

Biology
middle-school

Dave De Jong asked

by Dave De Jong

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1 Answer

4 votes

11a+9＝4a＋30
11a-4a＝30-9
7a＝21
a＝3

Ozzy Walsh answered Dec 30, 2019

by Ozzy Walsh

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