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3 votes
Solve for a 7a + 2a + a − 9a = 20

User Severin
by
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1 Answer

7 votes

Answer:

a = 20

Explanation:

7a + 2a + a − 9a = 20

Combine like terms

10a -9a = 20

a =20

User Hein Zaw Htet
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