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36 votes
36 votes
HELPP
subtract a from 9, double the result, then add 10 to what you have

User Vangel Tzo
by
2.6k points

1 Answer

16 votes
16 votes

Answer:

Explanation:

9 - a = 9 -a

9 - a + 10 = 19 - a

User SRy
by
3.1k points
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