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Subtract 9 on both sides

Subtract 9 on both sides
asked 7.2k views
3 votes
Subtract 9 on both sides

Subtract 9 on both sides-example-1
asked
User Skysplit
by
7.8k points

1 Answer

7 votes
z < -7

3z/ 3 = z
divide -21 by 3 and get -7
so z < -7
answered
User Hastur
by
8.4k points
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