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7x< 21 Im on khan academy so i need help
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24 votes
7x< 21 Im on khan academy so i need help

User Orhan
by
4.9k points

1 Answer

11 votes

Answer:

x< 3

7x<21

Divide each term in 7x<21 by 7.

Cancel the common factor of 7.

Divide 21 by 7.

The result can be shown in multiple forms.

Inequality Form:

x< 3

Interval Notation:

(−∞, 3)

User Aednichols
by
5.4k points
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