SOLUTION: I'm solving inequalities and the question is 16x<=32or-5x<=-40 And I jsut want to know when solving each do you change -5 to positive five when you divide it with 40 or does

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Question 1046026: I'm solving inequalities and the question is
16x<=32or-5x<=-40
And I jsut want to know when solving each do you change -5 to positive five when you divide it with 40 or does it stay as -5?

Answer by josgarithmetic(39625)   (Show Source): You can put this solution on YOUR website!
, coefficient on x is positive. Multiplying both sides by makes no change regarding order.







Where is on a real number line? Some fourty units to the left of 0.
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Where is on a real number line according to your given inequality? Some number of units, variable, to the LEFT of the ; so the order of the two members are now clear. Make a number line and label all the parts and this helps to see all this.
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Multiplicative inverse of is .
Now, refer again to the number line if this will help.
What happens to order when multiplying and the ?

The order of the resulting members is reversed.


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