Homework Help: Math (Algebra)

Posted by Lola on Thursday, September 24, 2009 at 9:41pm.

Solve using the multiplication principle

-7x <_ 35

the sign is an inequality equal greater or lesser than sign
would I substitute the sign for an equal sign and then divide 35 by -7
x=-5

-7 x -5= 35
how would I write the solution set? can someone please help me?

Math (Algebra) - Lola, Thursday, September 24, 2009 at 9:56pm
can someone please help me?
Math (Algebra) - Reiny, Thursday, September 24, 2009 at 10:19pm
-7x <_ 35 or
-7x ≤ 35 , divide by -7
x ≥ -5

remember that if you multiply or divide by a negative number, the sign of inequality has to be reversed.

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